CVE-2026-14673

LOWPre-NVD 3.83.8—
EchelonGraph scoreMEDIUM confidence

Score 3.8 from GitHub Security Advisory (severity: LOW) published 2026-08-13. a secondary CVSS source baseline 3.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
3.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.8Exploit: None knownExposed: 0

A fix is available — apply it.

Untrusted search path in PostgreSQL amcheck allows a grantee of amcheck function EXECUTE privilege to execute arbitrary functions as the owners of expression indexes that depend on the search path, via setting a hostile search path before calling the amcheck function. Within major versions 18, 16, 15, and 14, minor versions before PostgreSQL 18.6, 16.15, 15.19, and 14.24 are affected. PostgreSQL 17 is unaffected.

CVSS v3
3.8
EG Score
3.8(medium)
EG Risk
17(Track)
EG Risk 17/100SSVC: 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
Severity38% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
7%
KEV
Not listed

Published

August 13, 2026

Last Modified

August 29, 2026

References (1)

Vendor Advisories for CVE-2026-14673(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 / EcosystemFixed in / PatchReleasedSource
ubuntupostgresql-server-dev-16 (16.15-0ubuntu0.24.04.1) @ noble2026-09-17ubuntu
redhatpostgresql17-main-17.11-1.hum12026-08-20redhat
redhatpostgresql18-main-18.6-0.1.hum12026-08-13redhat

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

(11 across 7 ecosystems)
Alpine:v3.21(2)
PackageVulnerable rangeFixed inDependents
postgresql16—16.15-r0—
postgresql17—17.11-r0—
Alpine:v3.22(2)
PackageVulnerable rangeFixed inDependents
postgresql16—16.15-r0—
postgresql17—17.11-r0—
Alpine:v3.23(2)
PackageVulnerable rangeFixed inDependents
postgresql17—17.11-r0—
postgresql18—18.5-r0—
Alpine:v3.24(2)
PackageVulnerable rangeFixed inDependents
postgresql17—17.11-r0—
postgresql18—18.5-r0—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
postgresql-1515.10-0+deb12u1 ... 15.9-0+deb12u1 (21 versions)15.19-0+deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
postgresql-1717.10-0+deb13u1 ... 17.9-0+deb13u1 (7 versions)17.11-0+deb13u1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
postgresql-1818.0-1 ... 18~~devel.20250502-1 (20 versions)18.6-1—

Weakness Classification(1)

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

Additional Vendor Advisories

(2)

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 11× in last 7d / 54× 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.

  1. 2026-09-18 19:27 UTCEPSS rescore
  2. 2026-09-17 01:52 UTCEG score recompute
  3. 2026-09-17 01:52 UTCVendor advisory
  4. 2026-09-17 01:52 UTCGHSA enrichment
  5. 2026-09-16 14:07 UTCEPSS rescore
  6. 2026-09-16 05:14 UTCEPSS rescore
  7. 2026-09-14 01:33 UTCEG score recompute
  8. 2026-09-14 01:33 UTCVendor advisory
  9. 2026-09-14 01:33 UTCGHSA enrichment
  10. 2026-09-13 16:46 UTCEPSS rescore
  11. 2026-09-12 15:00 UTCEPSS rescore
  12. 2026-09-11 14:52 UTCEPSS rescore
  13. 2026-09-11 09:36 UTCEPSS rescore
  14. 2026-09-11 01:14 UTCEG score recompute
  15. 2026-09-11 01:14 UTCVendor advisory
  16. 2026-09-11 01:14 UTCGHSA enrichment
  17. 2026-09-10 09:34 UTCEPSS rescore
  18. 2026-09-08 22:00 UTCEPSS rescore
  19. 2026-09-08 00:55 UTCEG score recompute
  20. 2026-09-08 00:55 UTCVendor advisory
  21. 2026-09-08 00:55 UTCGHSA enrichment
  22. 2026-09-07 16:01 UTCEPSS rescore
  23. 2026-09-06 13:47 UTCEPSS rescore
  24. 2026-09-05 00:35 UTCEG score recompute
  25. 2026-09-05 00:35 UTCVendor advisory
Show 45 more
  1. 2026-09-05 00:35 UTCGHSA enrichment
  2. 2026-09-04 05:06 UTCEPSS rescore
  3. 2026-09-01 23:45 UTCEG score recompute
  4. 2026-09-01 23:45 UTCVendor advisory
  5. 2026-09-01 23:45 UTCGHSA enrichment
  6. 2026-08-30 19:17 UTCEPSS rescore
  7. 2026-08-30 01:22 UTCEPSS rescore
  8. 2026-08-29 23:26 UTCEG score recompute
  9. 2026-08-29 23:26 UTCVendor advisory
  10. 2026-08-29 23:26 UTCGHSA enrichment
  11. 2026-08-29 23:14 UTCEG score recompute
  12. 2026-08-29 23:14 UTCVendor advisory
  13. 2026-08-29 23:14 UTCGHSA enrichment
  14. 2026-08-28 21:41 UTCEPSS rescore
  15. 2026-08-28 02:18 UTCEG score recompute
  16. 2026-08-28 02:18 UTCVendor advisory
  17. 2026-08-28 02:18 UTCGHSA enrichment
  18. 2026-08-27 14:25 UTCEPSS rescore
  19. 2026-08-26 14:46 UTCEPSS rescore
  20. 2026-08-25 13:48 UTCEPSS rescore
  21. 2026-08-25 01:57 UTCEG score recompute
  22. 2026-08-25 01:57 UTCVendor advisory
  23. 2026-08-25 01:57 UTCGHSA enrichment
  24. 2026-08-23 00:19 UTCEPSS rescore
  25. 2026-08-22 01:39 UTCEG score recompute
  26. 2026-08-22 01:39 UTCVendor advisory
  27. 2026-08-22 01:39 UTCGHSA enrichment
  28. 2026-08-21 23:49 UTCEPSS rescore
  29. 2026-08-20 22:55 UTCEPSS rescore
  30. 2026-08-19 17:03 UTCEPSS rescore
  31. 2026-08-19 01:20 UTCGHSA enrichment
  32. 2026-08-18 15:33 UTCEG score recompute
  33. 2026-08-18 15:33 UTCGHSA enrichment
  34. 2026-08-18 13:48 UTCEPSS rescore
  35. 2026-08-16 16:49 UTCEG score recompute
  36. 2026-08-16 16:49 UTCGHSA enrichment
  37. 2026-08-16 14:56 UTCEPSS rescore
  38. 2026-08-16 02:14 UTCEPSS rescore
  39. 2026-08-15 01:30 UTCEPSS rescore
  40. 2026-08-13 16:30 UTCEG score recompute
  41. 2026-08-13 16:30 UTCGHSA enrichment
  42. 2026-08-13 16:02 UTCEG score recompute
  43. 2026-08-13 16:02 UTCGHSA enrichment
  44. 2026-08-13 13:17 UTCEG score recompute
  45. 2026-08-13 13:16 UTCMITRE cvelistV5first tracked

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-14673?
CVE-2026-14673 is a low vulnerability published on August 13, 2026. Untrusted search path in PostgreSQL amcheck allows a grantee of amcheck function EXECUTE privilege to execute arbitrary functions as the owners of expression indexes that depend on the search path, via setting a hostile search path before calling the amcheck function. Within major versions 18, 16,…
When was CVE-2026-14673 disclosed?
CVE-2026-14673 was first published in the National Vulnerability Database 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-2026-14673 actively exploited?
CVE-2026-14673 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 92.8% of all scored CVEs.
What is the CVSS score of CVE-2026-14673?
CVE-2026-14673 has a CVSS v3 base score of 3.8 (NVD).
How do I remediate CVE-2026-14673?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-14673, 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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