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Vulnerabilities

Vulnerability · CVE-2025-2291

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 p

Published Apr 16, 2025 · catalog updated Nov 3, 2025 · PgBouncer

Check if you run it

No confirmed exploitation is on record for CVE-2025-2291. EPSS is 0.37%. Act only if a listed version of PgBouncer is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.37%
Remediation
Version ranges on file
Affected products
vendor n/a PgBouncer 0 <1.24.1

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor n/a PgBouncer 0 <1.24.10 <1.24.1

How to fix CVE-2025-2291

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-2291. EPSS is 0.37%. Act only if a listed version of PgBouncer is installed.

Which versions are affected?

Compare what you have installed with n/a PgBouncer 0 <1.24.1 0 <1.24.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.37%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

PostgreSQL security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 16, 2025 · EUVD

    Detected

    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

  2. Nov 3, 2025 · EUVD

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2025-2291

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-2291

    30-day exploitation probability 0.4%

    first.org
  • EUVDVulnerability recordEUVD-2025-11379

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.