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CVE-2026-116311VulnerabilityPublished

PostgreSQL DROP OWNED · Missing Authorization

Source GCVE Database

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Authoritative record:CVE-2026-116311· Medium 5.4

Not known to be exploited · CVSS 5.4 Medium · fixed in 18.7 : update PostgreSQL when convenient.

Data as of 12 Nov 2026, 16:35 UTC

CVSS 3.1 base score
5.4Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (PostgreSQL)CVSS 3.15.4
Patch
Available – fixed in 18.7, 17.12, 16.16 +2
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 12 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 12 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
PostgreSQLAffected
  • >=18 <18.7
Fixed in
  • 18.7
PostgreSQLAffected
  • >=17 <17.12
Fixed in
  • 17.12
PostgreSQLAffected
  • >=16 <16.16
Fixed in
  • 16.16
PostgreSQLAffected
  • >=15 <15.20
Fixed in
  • 15.20
PostgreSQLAffected
  • <14.25
Fixed in
  • 14.25
Postgresqlpostgresql/postgresqlpkg:deb/postgresql/postgresqlOther threatsAffected
  • <14.25
Fixed in
  • 14.25

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

A fix is available in PostgreSQL versions 18.7, 17.12, 16.16, 15.20, and 14.25 and later. Users should upgrade to these fixed versions to remediate the vulnerability. No vendor advisory content was provided to indicate alternative mitigations or temporary workarounds.

Description

A missing authorization check in PostgreSQL's DROP OWNED command allows a role to remove itself from restrictive row level security policies. This bypass enables the role to read or modify rows that the security policy was designed to restrict. Versions prior to PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.

References

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