Is there a public exploit for CVE-2026-116312?

No public exploit for CVE-2026-116312 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-116312?

CVE-2026-116312 scores CVSS 5.4 (v3.1), rated medium.

What does CVE-2026-116312 affect?

CVE-2026-116312 affects n/a PostgreSQL.

5.4 Medium

Inconsistent transition-capture state in PostgreSQL MERGE allows a table data modifier to make an AFTER trigger process the wrong new row,…

CVE-2026-116312

Inconsistent transition-capture state in PostgreSQL MERGE allows a table data modifier to make an AFTER trigger process the wrong new row, via a partitioned table MERGE that performs an INSERT before an UPDATE. Within major versions 15-18, minor versions before PostgreSQL 18.7, 17.12, 16.16, and 15.20 are affected. Versions before PostgreSQL 15 are unaffected.

Assessment

CVSS: 5.4 (v3.1)
Severity: Medium
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 12 November 2026
Last updated: 12 November 2026
Affected: n/a · PostgreSQL
Assigner: PostgreSQL

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

At the source

EUVD (ENISA)

References

https://www.postgresql.org/support/security/CVE-2026-116312/

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