CVE-2026-75037

Polkit authentication bypass in LACT

7.3 High

Polkit Authentication Based on UnixProcessSubject / Peer PID in LACT on Linux allows an Authentication Bypass. This issue affects LACT through 0.10.0. Fixed by commit d0478fe42c2219454e272f96b1cbd29ab37ee566.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: High
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.16%Unchanged since Aug 26, 2026

What each source reports

CVE List Score used 7.3

Polkit authentication bypass in LACT

Record: CVE-2026-75037
CVSS 4.0: 7.3 HighCVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 7.0 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-290
Updated: 2026-11-02

EUVDEUVD-2026-65390 7.3

Record: EUVD-2026-65390
CVSS 4.0: 7.3 HighCVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-w75p-534p-fxmc 7.3

Polkit Authentication Based on UnixProcessSubject / Peer PID in LACT on Linux allows an...

Record: GHSA-w75p-534p-fxmc
CVSS 4.0: 7.3 HighCVSS:4.0/AV:L/AC:H/AT:N/PR:L/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 3.1: 7.0 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-290
Updated: 2026-11-02

NVD 7.3

Record: CVE-2026-75037
CVSS 4.0: 7.3 HighCVSS:4.0/AV:L/AC:H/AT:N/PR:L/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 3.1: 7.0 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-290
Updated: 2026-11-02

OSV 7.3

Polkit authentication bypass in LACT

Record: CVE-2026-75037
CVSS 4.0: 7.3 HighCVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness: CWE-290
Updated: 2026-11-02

OSVopenSUSE-SU-2026:11644-1 No score

lact-0.10.0-1.1 on GA media

These are all security issues fixed in the lact-0.10.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2026:11644-1
Updated: 2026-11-02

Affected products

ilya-zlobintsev lact

Affected packages

Affected packages
Package	Affected	Fixed
`lact` openSUSE:Tumbleweed From an advisory covering 2 CVEs	before 0.10.0-1.1	0.10.0-1.1

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-2026-75037 is a high vulnerability (CVSS 7.3) in Ilya-zlobintsev Lact, published August 25, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. No source names a fixed version.