CVE-2026-14676

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-13. A secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 8.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Heap buffer overflow in PostgreSQL pg_stat_statements allows the query author to execute arbitrary code as the operating system user running the database, via crafted queries containing array constants. Within major version 18, minor versions before PostgreSQL 18.6 are affected. Versions before PostgreSQL 18 are unaffected.

CVSS v3
8.8
EG Score
8.8HIGHmedium confidence
EG Risk
40
EG Risk 40/100CISA SSVC

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
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.4%
EPSS %ILE
35th
KEV
Not listed

CISA SSVCTrack 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). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 13, 2026

Last Modified

August 29, 2026

Advisory Details (1)

Auto-updated Aug 13, 2026
Patch available.
generic

PostgreSQL: CVE-2026-14676: PostgreSQL pg_stat_statements heap buffer overflow executes arbitrary code

https://www.postgresql.org/support/security/CVE-2026-14676/

Vendor Advisories for CVE-2026-14676(3)

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

Patch Availability(3)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntupostgresql-server-dev-18 (18.6-0ubuntu0.26.04.1) @ resolute2026-10-04ubuntu
redhatpostgresql:18-9080020260914093252.rhel92026-09-16redhat
redhatpostgresql18-0:18.6-1.el10_22026-09-14redhat

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.

Affected Packages

(9 across 5 ecosystems)
Alpine:v3.21(2)
PackageVulnerable rangeFix by version rangeDependents
postgresql16—
  • every version up to 16.15-r0: fixed in 16.15-r0
—
postgresql17—
  • every version up to 17.11-r0: fixed in 17.11-r0
—
Alpine:v3.22(2)
PackageVulnerable rangeFix by version rangeDependents
postgresql16—
  • every version up to 16.15-r0: fixed in 16.15-r0
—
postgresql17—
  • every version up to 17.11-r0: fixed in 17.11-r0
—
Alpine:v3.23(2)
PackageVulnerable rangeFix by version rangeDependents
postgresql17—
  • every version up to 17.11-r0: fixed in 17.11-r0
—
postgresql18—
  • every version up to 18.5-r0: fixed in 18.5-r0
—
Alpine:v3.24(2)
PackageVulnerable rangeFix by version rangeDependents
postgresql17—
  • every version up to 17.11-r0: fixed in 17.11-r0
—
postgresql18—
  • every version up to 18.5-r0: fixed in 18.5-r0
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
postgresql-1818.0-1 ... 18~~devel.20250502-1 (20 versions)
  • every version up to 18.6-1: fixed in 18.6-1
—

Weakness Classification(1)

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

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 30× in last 7d / 133× 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 243 total refreshes for this CVE.

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

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-14676?
CVE-2026-14676 is a high vulnerability published on August 13, 2026. Heap buffer overflow in PostgreSQL pgstatstatements allows the query author to execute arbitrary code as the operating system user running the database, via crafted queries containing array constants. Within major version 18, minor versions before PostgreSQL 18.6 are affected. Versions before…
When was CVE-2026-14676 disclosed?
CVE-2026-14676 was first published on August 13, 2026, with the most recent update on August 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-14676 actively exploited?
CVE-2026-14676 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (35th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-14676?
CVE-2026-14676 has a CVSS base score of 8.8 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-14676?
A fix for CVE-2026-14676 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-14676 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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