CVE-2026-27876

CRITICALPre-NVD 9.19.1
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to the CVSS score beside it.

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-03-27. A secondary CVSS source baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: EPSS, GitHub Security Advisory, a secondary CVSS source
Elevated

Also known asEUVD-2026-16634 (ENISA EUVD) · GHSA-736h-475m-xhjc (GitHub Security Advisories)Source: ENISA EUVD

9.1EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines (the SSVC decision on this page).
  • Public exploit or proof-of-concept code is available
CISA-KEV: Not listedEPSS PROB: 2.0%CVSS: 9.1Exploit: Public PoCExposed services: Not assessed

A fix is available — apply it.

A chained attack via SQL Expressions and a Grafana Enterprise plugin can lead to a remote arbitrary code execution impact (RCE). This is enabled by a feature in Grafana (OSS), so all users are always recommended to update to avoid future attack vectors going this path.

Only instances with the sqlExpressions feature toggle enabled are vulnerable.

Only instances in the following version ranges are affected:

  • 11.6.0 (inclusive) to 11.6.14 (exclusive): 11.6.14 has the fix. 11.5 and below are not affected.
  • 12.0.0 (inclusive) to 12.1.10 (exclusive): 12.1.10 has the fix. 12.0 did not receive an update, as it is end-of-life.
  • 12.2.0 (inclusive) to 12.2.8 (exclusive): 12.2.8 has the fix.
  • 12.3.0 (inclusive) to 12.3.6 (exclusive): 12.3.6 has the fix.
  • 12.4.0 (inclusive) to 12.4.2 (exclusive): 12.4.2 has the fix. 13.0.0 and above also have the fix: no v13 release is affected.

CVSS v3
9.1
EG Score
9.1CRITICALmedium confidence
EG Risk
57
EG Risk 57/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity91% × 45%
Impact severity (EG Severity): CVSS 9.1 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation40% × 40%
EchelonGraph's fixed weight for EG-KEV Tier 3 (Elevated): a constant, not a probability.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Track* at high (mission-essential systems).
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
2.0%
EPSS %ILE
81st
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (9.1): severity, escalated by confirmed exploitation. This CVE's 9.1 is its impact severity (EG Severity), not escalated.

EG Severity
9.1 CRITICALCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.GitHub Security Advisory CVSS
EG Likelihood
2.0% within 30 daysSource: FIRST EPSS. FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track at medium mission impactTrack at low or medium mission impact; Track* at high (mission-essential systems).CISA BOD 26-04: 14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

March 27, 2026

Last Modified

November 3, 2026

Advisory Details (1)

Auto-updated Sep 15, 2026
Patch available.
Web page

RCE on Grafana via sqlExpressions | Grafana Labs

https://grafana.com/security/security-advisories/cve-2026-27876

Affected Packages

(2 across 2 ecosystems)
Alpine:v3.23(1)
PackageVulnerable rangeFix by version rangeDependents
grafana—
  • 11.6.14 up to 12.2.8-r0: fixed in 12.2.8-r0
—
Alpine:v3.24(1)
PackageVulnerable rangeFix by version rangeDependents
grafana—
  • 11.6.14 up to 12.4.3-r0: fixed in 12.4.3-r0
—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 14× in last 7d / 62× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed its CVE.org record (CNA or CISA ADP). An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). "EchelonGraph re-scored" is our own recompute of this CVE's score, not an update from a source, and is not counted in the refreshes above. Most recent first.

Showing the most recent 100 of 372 rows on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. None are among the latest 100 rows. The 272 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-11-13 16:51 UTCEPSS rescoreEPSS 2.0% · 81st percentile
  2. 2026-11-12 18:15 UTCEchelonGraph re-scored
  3. 2026-11-12 18:15 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  4. 2026-11-12 16:33 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  5. 2026-11-11 17:47 UTCEchelonGraph re-scored
  6. 2026-11-11 17:47 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  7. 2026-11-11 16:39 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  8. 2026-11-10 17:18 UTCEchelonGraph re-scored
  9. 2026-11-10 17:18 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  10. 2026-11-10 16:43 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  11. 2026-11-09 16:52 UTCEchelonGraph re-scored
  12. 2026-11-09 16:52 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  13. 2026-11-09 16:35 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  14. 2026-11-08 16:38 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  15. 2026-11-08 16:26 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  16. 2026-11-08 01:14 UTCEchelonGraph re-scored
  17. 2026-11-08 01:14 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  18. 2026-11-07 16:38 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  19. 2026-11-07 00:46 UTCEchelonGraph re-scored
  20. 2026-11-07 00:46 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  21. 2026-11-06 16:37 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  22. 2026-11-06 04:55 UTCOSV refresh
  23. 2026-11-06 00:20 UTCEchelonGraph re-scored
  24. 2026-11-06 00:20 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  25. 2026-11-05 16:37 UTCEPSS rescoreEPSS 2.0% · 80th percentile
Show 75 more
  1. 2026-11-04 23:54 UTCEchelonGraph re-scored
  2. 2026-11-04 23:54 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  3. 2026-11-04 16:35 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  4. 2026-11-03 23:27 UTCEchelonGraph re-scored
  5. 2026-11-03 23:27 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  6. 2026-11-03 22:21 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  7. 2026-11-03 18:42 UTCEchelonGraph re-scored
  8. 2026-11-03 18:42 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  9. 2026-11-03 16:47 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  10. 2026-11-02 18:16 UTCEchelonGraph re-scored
  11. 2026-11-02 18:16 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  12. 2026-11-02 16:44 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  13. 2026-11-01 17:47 UTCEchelonGraph re-scored
  14. 2026-11-01 17:47 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  15. 2026-11-01 16:34 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  16. 2026-10-31 17:18 UTCEchelonGraph re-scored
  17. 2026-10-31 17:17 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  18. 2026-10-31 16:32 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  19. 2026-10-30 16:51 UTCEchelonGraph re-scored
  20. 2026-10-30 16:51 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  21. 2026-10-30 16:34 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  22. 2026-10-29 16:33 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  23. 2026-10-29 16:25 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  24. 2026-10-29 05:42 UTCEchelonGraph re-scored
  25. 2026-10-29 05:41 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  26. 2026-10-28 16:32 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  27. 2026-10-28 05:15 UTCEchelonGraph re-scored
  28. 2026-10-28 05:15 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  29. 2026-10-27 16:31 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  30. 2026-10-27 04:48 UTCEchelonGraph re-scored
  31. 2026-10-27 04:48 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  32. 2026-10-26 16:31 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  33. 2026-10-26 00:01 UTCEchelonGraph re-scored
  34. 2026-10-26 00:01 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  35. 2026-10-25 16:32 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  36. 2026-10-25 14:38 UTCEchelonGraph re-scored
  37. 2026-10-24 23:35 UTCEchelonGraph re-scored
  38. 2026-10-24 23:35 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  39. 2026-10-24 16:32 UTCEPSS rescoreEPSS 1.4% · 72nd percentile
  40. 2026-10-23 23:09 UTCEchelonGraph re-scored
  41. 2026-10-23 23:09 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  42. 2026-10-23 16:31 UTCEPSS rescoreEPSS 1.4% · 71st percentile
  43. 2026-10-22 22:42 UTCEchelonGraph re-scored
  44. 2026-10-22 22:42 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  45. 2026-10-22 16:34 UTCEPSS rescoreEPSS 1.4% · 71st percentile
  46. 2026-10-21 22:10 UTCEchelonGraph re-scored
  47. 2026-10-21 22:10 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  48. 2026-10-21 16:32 UTCEPSS rescoreEPSS 1.4% · 71st percentile
  49. 2026-10-20 21:42 UTCEchelonGraph re-scored
  50. 2026-10-20 21:42 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  51. 2026-10-20 16:32 UTCEPSS rescoreEPSS 1.4% · 71st percentile
  52. 2026-10-19 21:16 UTCEchelonGraph re-scored
  53. 2026-10-19 21:15 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  54. 2026-10-19 16:31 UTCEPSS rescoreEPSS 1.4% · 71st percentile
  55. 2026-10-18 20:10 UTCEchelonGraph re-scored
  56. 2026-10-18 20:10 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  57. 2026-10-18 16:31 UTCEPSS rescoreEPSS 1.4% · 71st percentile
  58. 2026-10-18 03:50 UTCEchelonGraph re-scored
  59. 2026-10-17 19:44 UTCEchelonGraph re-scored
  60. 2026-10-17 19:44 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  61. 2026-10-17 16:33 UTCEPSS rescoreEPSS 1.4% · 71st percentile
  62. 2026-10-16 19:17 UTCEchelonGraph re-scored
  63. 2026-10-16 19:16 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  64. 2026-10-16 16:41 UTCEPSS rescoreEPSS 1.4% · 71st percentile
  65. 2026-10-15 16:43 UTCEchelonGraph re-scored
  66. 2026-10-15 16:43 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  67. 2026-10-15 16:31 UTCEPSS rescoreEPSS 1.4% · 71st percentile
  68. 2026-10-14 16:32 UTCEPSS rescoreEPSS 1.4% · 71st percentile
  69. 2026-10-14 10:45 UTCEchelonGraph re-scored
  70. 2026-10-14 10:45 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  71. 2026-10-13 16:34 UTCEPSS rescoreEPSS 1.4% · 71st percentile
  72. 2026-10-13 09:16 UTCEchelonGraph re-scored
  73. 2026-10-13 09:16 UTCGHSA enrichmentGHSA-736h-475m-xhjc · GitHub severity CRITICAL · GitHub CVSS 9.1
  74. 2026-10-12 16:33 UTCEPSS rescoreEPSS 1.4% · 71st percentile
  75. 2026-10-12 16:17 UTCEchelonGraph re-scored

Publicly available exploits

(3 references)

Public exploit code is referenced for this CVE (3 GitHub PoCs). Defenders should treat patch urgency accordingly.

  • GitHub PoC0xBlackash/CVE-2026-27876
    Published Mar 30, 2026

    CVE-2026-27876

    Open source ↗
  • GitHub PoC0xredash/CVE-2026-27876
    Published Mar 30, 2026

    CVE-2026-27876

    Open source ↗
  • GitHub PoCashrafzaryouh/CVE-2026-27876
    Published Mar 30, 2026

    CVE-2026-27876

    Open source ↗

Frequently asked(5)

What is CVE-2026-27876?
CVE-2026-27876 is a critical-severity vulnerability; its CVE record was published on March 27, 2026. A chained attack via SQL Expressions and a Grafana Enterprise plugin can lead to a remote arbitrary code execution impact (RCE). This is enabled by a feature in Grafana (OSS), so all users are always recommended to update to avoid future attack vectors going this path. Only instances with the…
When was CVE-2026-27876 made public?
CVE-2026-27876 was made public on March 27, 2026: that is the date its CVE record's CNA, Grafana Labs, gives for when the vulnerability was made public. The CVE record itself was published on March 27, 2026. EchelonGraph's copy of the record carries a last-modified date of November 3, 2026; the record at its source may have been updated since.
Is CVE-2026-27876 actively exploited?
CVE-2026-27876 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.0% probability of exploitation in the next 30 days (81st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-27876?
CVE-2026-27876 has a CVSS base score of 9.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-27876?
A fix for CVE-2026-27876 is available: update to the fixed version the vendor names in its advisory.

Dependency Blast Radius

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