CVE-2026-78155

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreHIGH confidence

Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-23. a secondary CVSS source baseline 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.9Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

privilege escalation in StackGres operator allows a low-privilege tenant who owns a database to gain administrator privileges

CVSS v3
9.9
EG Score
9.9(high)
EG Risk
45(Track)
EG Risk 45/100SSVC: 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
Severity99% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
22%
KEV
Not listed

Published

August 23, 2026

Last Modified

September 16, 2026

Advisory Details (1)

Auto-updated Sep 16, 2026
No patch confirmed yet.
generic

tenant DB-owner to pod RCE via metrics-exporter superuser dblink with unpinned search_path (#3177) · Issues · OnGres Inc. / StackGres · GitLab

https://gitlab.com/ongresinc/stackgres/-/work_items/3177

Vendor Advisories for CVE-2026-78155(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 49× in last 7d / 203× 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 203 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-78155?
CVE-2026-78155 is a critical vulnerability published on August 23, 2026. privilege escalation in StackGres operator allows a low-privilege tenant who owns a database to gain administrator privileges
When was CVE-2026-78155 disclosed?
CVE-2026-78155 was first published in the National Vulnerability Database on August 23, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-78155 actively exploited?
CVE-2026-78155 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 77.8% of all scored CVEs.
What is the CVSS score of CVE-2026-78155?
CVE-2026-78155 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-78155?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-78155, 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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