CVE-2026-15378

CRITICALPre-NVD 9.39.3—
EchelonGraph scoreMEDIUM confidence

Score 9.3 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-10. a secondary CVSS source baseline 9.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
9.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.3Exploit: None knownExposed: 0

A fix is available — apply it.

A flaw was found in the guardrails-detectors component. This vulnerability allows a remote attacker to perform a blind Server-Side Request Forgery (SSRF) by submitting a specially crafted XML Schema Definition (XSD) string. This can lead to unauthorized access to sensitive information, including credentials from cloud metadata services, Kubernetes API, internal MinIO, and other internal network endpoints. Additionally, it enables local file reads of critical data such as service account tokens and pod secrets.

CVSS v3
9.3
EG Score
9.3(medium)
EG Risk
57(Track)
EG Risk 57/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity93% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
44%
KEV
Not listed

Published

July 10, 2026

Last Modified

September 8, 2026

Advisory Details (4)

Auto-updated Sep 14, 2026
Patch available. Sources: redhat.
redhat

2498941 – (CVE-2026-15378) CVE-2026-15378 guardrails-detectors: guardrails-detectors: SSRF and local file read via user-supplied XML Schema (xml-with-schema:)

https://bugzilla.redhat.com/show_bug.cgi?id=2498941
redhat Patch Available

CVE-2026-15378 - Red Hat Customer Portal

Affected: Red Hat Enterprise Linux 8 or OpenShift Container Platform 4, is affected by this vulnerability and a fix may be released to a

https://access.redhat.com/security/cve/CVE-2026-15378
redhat Patch Available
https://access.redhat.com/errata/RHSA-2026:65126
redhat Patch Available
https://access.redhat.com/errata/RHSA-2026:60520

Vendor Advisories for CVE-2026-15378(3)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatrhoai/odh-fms-guardrails-orchestrator-rhel9:17867109632026-09-08redhat
redhatrhoai/odh-fms-guardrails-orchestrator-rhel9:17873602182026-08-27redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 26× in last 7d / 118× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 362 total refreshes for this CVE.

  1. 2026-09-18 19:27 UTCEPSS rescore
  2. 2026-09-18 10:08 UTCVendor advisory
  3. 2026-09-18 10:08 UTCGHSA enrichment
  4. 2026-09-18 05:24 UTCEG score recompute
  5. 2026-09-18 05:24 UTCVendor advisory
  6. 2026-09-18 05:24 UTCGHSA enrichment
  7. 2026-09-16 14:07 UTCEPSS rescore
  8. 2026-09-16 05:14 UTCEPSS rescore
  9. 2026-09-14 08:13 UTCVendor advisory
  10. 2026-09-14 08:13 UTCGHSA enrichment
  11. 2026-09-14 03:56 UTCVendor advisory
  12. 2026-09-14 03:56 UTCGHSA enrichment
  13. 2026-09-13 23:43 UTCEG score recompute
  14. 2026-09-13 23:43 UTCVendor advisory
  15. 2026-09-13 23:43 UTCGHSA enrichment
  16. 2026-09-13 16:46 UTCEPSS rescore
  17. 2026-09-13 16:42 UTCVendor advisory
  18. 2026-09-13 16:42 UTCGHSA enrichment
  19. 2026-09-13 12:26 UTCVendor advisory
  20. 2026-09-13 12:26 UTCGHSA enrichment
  21. 2026-09-13 08:14 UTCEG score recompute
  22. 2026-09-13 08:14 UTCVendor advisory
  23. 2026-09-13 08:14 UTCGHSA enrichment
  24. 2026-09-12 15:00 UTCEPSS rescore
  25. 2026-09-12 13:33 UTCVendor advisory
Show 75 more
  1. 2026-09-12 13:33 UTCGHSA enrichment
  2. 2026-09-12 03:06 UTCEG score recompute
  3. 2026-09-12 03:06 UTCVendor advisory
  4. 2026-09-12 03:06 UTCGHSA enrichment
  5. 2026-09-11 14:52 UTCEPSS rescore
  6. 2026-09-11 09:36 UTCEPSS rescore
  7. 2026-09-10 09:34 UTCEPSS rescore
  8. 2026-09-08 22:53 UTCEG score recompute
  9. 2026-09-08 22:53 UTCVendor advisory
  10. 2026-09-08 22:53 UTCGHSA enrichment
  11. 2026-09-08 22:00 UTCEPSS rescore
  12. 2026-09-08 03:04 UTCEG score recompute
  13. 2026-09-08 03:04 UTCVendor advisory
  14. 2026-09-08 03:04 UTCGHSA enrichment
  15. 2026-09-07 16:01 UTCEPSS rescore
  16. 2026-09-06 13:58 UTCEG score recompute
  17. 2026-09-06 13:58 UTCVendor advisory
  18. 2026-09-06 13:58 UTCGHSA enrichment
  19. 2026-09-06 13:47 UTCEPSS rescore
  20. 2026-09-06 02:09 UTCVendor advisory
  21. 2026-09-06 02:09 UTCGHSA enrichment
  22. 2026-09-05 21:50 UTCEG score recompute
  23. 2026-09-05 21:50 UTCVendor advisory
  24. 2026-09-05 21:50 UTCGHSA enrichment
  25. 2026-09-04 05:06 UTCEPSS rescore
  26. 2026-09-02 14:11 UTCEPSS rescore
  27. 2026-09-01 13:53 UTCEPSS rescore
  28. 2026-09-01 04:39 UTCEPSS rescore
  29. 2026-08-31 01:09 UTCVendor advisory
  30. 2026-08-31 01:09 UTCGHSA enrichment
  31. 2026-08-30 20:52 UTCEG score recompute
  32. 2026-08-30 20:52 UTCVendor advisory
  33. 2026-08-30 20:52 UTCGHSA enrichment
  34. 2026-08-30 19:17 UTCEPSS rescore
  35. 2026-08-30 16:40 UTCVendor advisory
  36. 2026-08-30 16:40 UTCGHSA enrichment
  37. 2026-08-30 11:11 UTCVendor advisory
  38. 2026-08-30 11:11 UTCGHSA enrichment
  39. 2026-08-30 06:30 UTCEG score recompute
  40. 2026-08-30 06:30 UTCVendor advisory
  41. 2026-08-30 06:30 UTCGHSA enrichment
  42. 2026-08-30 01:22 UTCEPSS rescore
  43. 2026-08-28 21:41 UTCEPSS rescore
  44. 2026-08-28 02:40 UTCVendor advisory
  45. 2026-08-28 02:40 UTCGHSA enrichment
  46. 2026-08-27 22:14 UTCGHSA enrichment
  47. 2026-08-27 18:01 UTCEG score recompute
  48. 2026-08-27 18:01 UTCGHSA enrichment
  49. 2026-08-27 14:25 UTCEPSS rescore
  50. 2026-08-27 00:51 UTCEG score recompute
  51. 2026-08-27 00:51 UTCGHSA enrichment
  52. 2026-08-26 14:46 UTCEPSS rescore
  53. 2026-08-26 12:54 UTCGHSA enrichment
  54. 2026-08-26 08:17 UTCGHSA enrichment
  55. 2026-08-26 03:41 UTCGHSA enrichment
  56. 2026-08-25 14:46 UTCEG score recompute
  57. 2026-08-25 14:46 UTCGHSA enrichment
  58. 2026-08-25 13:48 UTCEPSS rescore
  59. 2026-08-25 09:56 UTCGHSA enrichment
  60. 2026-08-25 04:43 UTCGHSA enrichment
  61. 2026-08-25 00:29 UTCGHSA enrichment
  62. 2026-08-24 20:17 UTCEG score recompute
  63. 2026-08-24 20:17 UTCGHSA enrichment
  64. 2026-08-24 13:44 UTCGHSA enrichment
  65. 2026-08-24 09:31 UTCEG score recompute
  66. 2026-08-24 09:31 UTCGHSA enrichment
  67. 2026-08-24 03:56 UTCGHSA enrichment
  68. 2026-08-23 23:41 UTCGHSA enrichment
  69. 2026-08-23 19:29 UTCGHSA enrichment
  70. 2026-08-23 15:15 UTCGHSA enrichment
  71. 2026-08-23 11:02 UTCGHSA enrichment
  72. 2026-08-23 06:49 UTCGHSA enrichment
  73. 2026-08-23 02:35 UTCEG score recompute
  74. 2026-08-23 02:35 UTCGHSA enrichment
  75. 2026-08-23 00:19 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-15378?
CVE-2026-15378 is a critical vulnerability published on July 10, 2026. A flaw was found in the guardrails-detectors component. This vulnerability allows a remote attacker to perform a blind Server-Side Request Forgery (SSRF) by submitting a specially crafted XML Schema Definition (XSD) string. This can lead to unauthorized access to sensitive information, including…
When was CVE-2026-15378 disclosed?
CVE-2026-15378 was first published in the National Vulnerability Database on July 10, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15378 actively exploited?
CVE-2026-15378 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 56.5% of all scored CVEs.
What is the CVSS score of CVE-2026-15378?
CVE-2026-15378 has a CVSS v3 base score of 9.3 (NVD).
How do I remediate CVE-2026-15378?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15378, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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