All vulnerabilities
CVE-2026-105690GHSA-mj9f-5cwq-7p3q

Penpot: Server-side session not invalidated on logout; stale auth-token cookie remains valid for full profile access

penpot penpot
Open in ThreatlineRecord JSON
CVSS
5.9Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.22%Chance of exploitation activity in the next 30 days, higher than 11% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in2.18.0Fixed versionGitHub
Published5 Oct 2026Updated 5 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

Penpot is an open-source design and prototyping platform. Prior to 2.18.0, logout clears the browser's auth-token cookie without revoking the corresponding server-side session. A previously captured session token remains usable after the victim logs out and can continue to make authenticated requests with the victim's authority until natural expiration. This issue is fixed in version 2.18.0.

Text from CVE List

Affected versions 2

  • penpotaffected: < 2.18.0CVE List
  • penpot2.16.1GitHub

References 3