01 Record
CVE-2026-35594
Vikunja Link Share JWT tokens remain valid for 72 hours after share deletion or permission downgrade
MediumPUBLISHEDCNA: GitHub_M
CNA base score6.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
02 Description
Vikunja Link Share JWT tokens remain valid for 72 hours after share deletion or permission downgrade
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.30% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 23.0% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-26.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-04-10 15:55Z6 MO AGO
- Last updated
- 2026-04-14 14:32Z6 MO AGO
- Reserved
- 2026-04-03
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-613Insufficient Session ExpirationBase
- Data version
- 5.2
- Document digest
- be6ba1222fd1ecf359330b04e7d23e5f8d5af1edd71bf94b3d855eb9c750885a
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/go-vikunja/vikunja/security/advisories/GHSA-96q5-xm3p-7m84
- github.comhttps://github.com/go-vikunja/vikunja/pull/2581
- github.comhttps://github.com/go-vikunja/vikunja/commit/379d8a5c19334ffe4846003f590e202c31a75479
- github.comhttps://github.com/go-vikunja/vikunja/releases/tag/v2.3.0