CVE-2026-14673: postgresql Untrusted Search Path
Vulnerability summary
CVE-2026-14673 is a low (CVSS 3.8) Untrusted Search Path vulnerability in postgresql. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 28 · Related 25Timeline
- 13-08-2026PublishedVulnerability first disclosed.
- 29-08-2026Last modifiedVulnerability information updated.
Description
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 metrics
5 scores · 5 sources · 1 version- OSV · AlpineEcosystem advisory · calculated3.8LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
- OSV · UbuntuEcosystem advisory · calculated3.8LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
- OSV · DebianEcosystem advisory · calculated3.8LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
- NVDNIST3.8LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
EPSS trend
Probability
0.17%
Chance of exploitation in the next 30 days
Percentile
7%
Versus all other CVEs
30-day change
0.00 pp
From 0.17% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu7 products
- postgresql-10All versions (No fix recorded)
- postgresql-12All versions (No fix recorded)
- postgresql-14< 14.24-0ubuntu0.22.04.1
- postgresql-16< 16.15-0ubuntu0.24.04.1
- postgresql-18< 18.6-0ubuntu0.26.04.1
Alpine3 products
- postgresql16< 16.15-r0
- postgresql17< 17.11-r0
- postgresql18< 18.5-r0
Debian3 products
- postgresql-15< 15.19-0+deb12u1
- postgresql-17< 17.11-0+deb13u1
- postgresql-18< 18.6-1
Postgresql1 product
- postgresql≥ 14.0, < 14.24 | ≥ 15.0, < 15.19 | ≥ 16.0, < 16.15 | ≥ 18.0, < 18.5
4 vendors · 14 products