CVE-2026-25704
A Privilege Dropping / Lowering Errors/Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in cosmic-greeter can allow an attacker to regain privileges that should have been dropped and abuse them in the racy checking logic. This issue affects cosmic-greeter before https://github.Com/pop-os/cosmic-greeter/pull/426.
Published:Mar 30, 2026
Last Modified:Apr 16, 2026
EPS:Mar 30, 2026
EPSS Score:0.00013
CVSS Score:5.8
Affected Products
Vendor
Product
Action
Vendor
Pop-os
Product
Cosmic-greeter
Pop-os
Cosmic-greeter
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
