Authentication bypass in Pgpool-II
Priority MEDIUM 50CWE-305Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Pgpool-II provided by PgPool Global Development Group contains an authentication bypass by primary weakness vulnerability. if the vulnerability is exploited, an attacker may be able to log in to the system as an arbitrary user, allowing them to read or tamper with data in the database, and/or disable the database.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00913 60th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Pgpool Global Development Group | Pgpool-II | 4.6.0 | — | No fix listed | CNA |
| Pgpool Global Development Group | Pgpool-II | 4.5.0 to 4.5.6 | — | No fix listed | CNA |
| Pgpool Global Development Group | Pgpool-II | 4.4.0 to 4.4.11 | — | No fix listed | CNA |
| Pgpool Global Development Group | Pgpool-II | 4.3.0 to 4.3.14 | — | No fix listed | CNA |
| Pgpool Global Development Group | Pgpool-II | 4.2.0 to 4.2.21 | — | No fix listed | CNA |
| Pgpool Global Development Group | Pgpool-II | All versions of 4.1 series | — | No fix listed | CNA |
| Pgpool Global Development Group | Pgpool-II | All versions of 4.0 series | — | No fix listed | CNA |
- Pgpool-II VendorPgpool Global Development Group Affected 4.6.0 Fixed in — No fix listed CNA
- Pgpool-II VendorPgpool Global Development Group Affected 4.5.0 to 4.5.6 Fixed in — No fix listed CNA
- Pgpool-II VendorPgpool Global Development Group Affected 4.4.0 to 4.4.11 Fixed in — No fix listed CNA
- Pgpool-II VendorPgpool Global Development Group Affected 4.3.0 to 4.3.14 Fixed in — No fix listed CNA
- Pgpool-II VendorPgpool Global Development Group Affected 4.2.0 to 4.2.21 Fixed in — No fix listed CNA
- Pgpool-II VendorPgpool Global Development Group Affected All versions of 4.1 series Fixed in — No fix listed CNA
- Pgpool-II VendorPgpool Global Development Group Affected All versions of 4.0 series Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2025-46801
- 2026-10-03 Alias added: GHSA-9559-hpf7-pqv3
References
More Pgpool Global Development Group vulnerabilities
- TI-2026-62564 Stack-based buffer overflow in Pgpool-II CVSS 4.0HIGH 8.7
- TI-2026-62565 NULL pointer dereference in Pgpool-II CVSS 4.0HIGH 8.7
- TI-2026-62561 Out-of-bounds write in Pgpool-II CVSS 4.0HIGH 8.7
- TI-2024-30643 Information disclosure in Pgpool-II CVSS 3.1HIGH 7.5
- TI-2026-62567 Pgpool-II contains an incorrect implementation of an authentication algorithm, which may… CVSS 4.0MEDIUM 6.9
- TI-2026-62562 Improper certificate validation in Pgpool-II CVSS 4.0MEDIUM 6.9
Sources
- CVE-2025-46801 · CVE Program
- CVE-2025-46801 · NVD
- FIRST EPSS
- GHSA-9559-hpf7-pqv3 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-46801 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences