A AegiFlow
HIGHCVSS 8.7EPSS 0.4%

CVE-2026-91985

CVE-2026-91985 updated by NVD

Published
2026-10-09
Modified
2026-10-09
EPSS percentile
36%
Sources
github-advisory, nvd

Summary

Vikunja before 2.6.0 fails to properly restrict access to the link-share hash field in single-share read endpoints, allowing read-only members to obtain the share's secret credential. Attackers can exchange the disclosed hash for a link-share JWT at the share's permission level to escalate privileges and perform unauthorized writes or administrative actions.

Affected packages

EcosystemPackageAffected versionsFixed versions
Gocode.vikunja.io/api—2.6.0

Remediation: Upgrade to 2.6.0 or later.

References

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.

EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.