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CVE-2026-257045.8MediumCWE-271

CVE-2026-25704: Incomplete privilege drop for com.system76.CosmicGreeter.GetUserData

pop-os · cosmic-greeter

Vendor fix available · Affected: pop-os cosmic-greeter · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.1%probability of exploitation in the next 30 days
0th percentile
050100

Higher than 0% of scored CVEs

5.8MediumCVSS 4.0
LowMedium

DescriptionCVE.org

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.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

  • pop-os · cosmic-greeterVersions not stated

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas
Exploitation
Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV
Not listed
Public check
No public nuclei template
Published
March 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-25704 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References