CVE-2026-25704 (GCVE-0-2026-25704)
Vulnerability from cvelistv5 – Published: 2026-03-30 07:44 – Updated: 2026-04-16 16:32
VLAI
EPSS
VEX
Title
Incomplete privilege drop for com.system76.CosmicGreeter.GetUserData
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-30 15:15 UTC
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| pop-os | cosmic-greeter |
Affected:
? , < https://github.com/pop-os/cosmic-greeter/pull/426
(git)
|
guessed |
Date Public
2026-03-11 11:25
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