CVE-2025-2291
criticalpriority · track · 39EPSS 0.004 · 31 %ileDEEURUUSEPSS · scored 2026-10-27
Password can be used past expiry in PgBouncer due to auth_query not taking into account Postgres its VALID UNTIL value, which allows an attacker to log in with an already expired password
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (14)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-0842PgBouncer: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2025-04-16csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in PgBouncer ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
- BIT-pgbouncer-2025-2291PgBouncer default auth_query does not take Postgres password expiry into account2025-04-18vendor · osvUS
Password can be used past expiry in PgBouncer due to auth_query not taking into account Postgres its VALID UNTIL value, which allows an attacker to log in with an already expired password
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://www.pgbouncer.org/Patchcnnvd
- https://www.pgbouncer.org/changelog.html#pgbouncer-124xcnnvd
- https://www.pgbouncer.org/changelog.html#pgbouncer-124xenisa_euvd
- https://lists.debian.org/debian-lts-announce/2025/05/msg00032.htmlMailing ListThird Party Advisorynvd
- https://www.pgbouncer.org/changelog.html#pgbouncer-124xRelease Notesnvd
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