CVE-2025-46801

Pgpool-II provided by PgPool Global Development Group contains an authentication bypass by...

9.3 CriticalFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.91%Up 0.8 points since May 19, 2025

What each source reports

CVE List Score used 9.3

Record: CVE-2025-46801
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-305
Updated: 2026-11-02

EUVDEUVD-2025-15682 9.3

Record: EUVD-2025-15682
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-9559-hpf7-pqv3 9.3

Pgpool-II provided by PgPool Global Development Group contains an authentication bypass by...

Record: GHSA-9559-hpf7-pqv3
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-305
Updated: 2026-11-02

NVD 9.3

Record: CVE-2025-46801
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-305
Updated: 2026-11-02

OSVDEBIAN-CVE-2025-46801 9.3

Record: DEBIAN-CVE-2025-46801
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Updated: 2026-11-02

OSVUBUNTU-CVE-2025-46801 9.3

Record: UBUNTU-CVE-2025-46801
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSV No score

Record: CVE-2025-46801
Updated: 2026-11-02

Affected products

pgpool global development group pgpool-ii

Affected packages

Affected packages
Package	Affected	Fixed
`pgpool2` Debian:12	before 4.3.5-1+deb12u1, plus listed versions 4.3.5-1	4.3.5-1+deb12u1
`pgpool2` Debian:13	before 4.6.1-1	4.6.1-1
`pgpool2` Debian:14	before 4.6.1-1	4.6.1-1
`pgpool2` Debian:11	before 4.1.4-3+deb11u2, plus listed versions 4.1.4-34.1.4-3+deb11u1	4.1.4-3+deb11u2
`pgpool2` Debian:12 From an advisory covering 2 CVEs	before 4.3.5-1+deb12u1, plus listed versions 4.3.5-1	4.3.5-1+deb12u1
`pgpool2` Ubuntu:16.04:LTS	All versions, plus listed versions 3.3.4-13.4.3-1	None known
`pgpool2` Ubuntu:20.04:LTS	All versions, plus listed versions 4.0.2-14.0.6-14.0.6-24.1.0-14.1.1-1	None known
`pgpool2` Ubuntu:22.04:LTS	All versions, plus listed versions 4.1.4-34.1.4-54.1.4-6build1	None known
`pgpool2` Ubuntu:24.04:LTS	All versions, plus listed versions 4.3.5-14.3.5-34.3.7-14.3.7-1ubuntu34.3.7-1ubuntu4	None known
`pgpool2` Ubuntu:25.10	All versions, plus listed versions 4.6.0-14.6.0-24.6.1-24.6.3-2	None known

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-46801 is a critical vulnerability (CVSS 9.3) in Pgpool Global Development Group Pgpool-ii, published May 19, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.91%, the 60th percentile. Fixed in pgpool2 4.3.5-1+deb12u1.