CVE-2026-111350 Papermark through 0.22.0 Missing Authorization in Data Room Viewer Group API
Authenticated attackers can delete other teams' viewer groups and modify permissions in Papermark due to missing authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-111350?
CVE-2026-111350 is a low-severity missing authorization vulnerability in Papermark, published on 15 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Papermark through 0.22.0 contains a missing authorization vulnerability in the data room viewer group API that allows authenticated users to delete other teams' viewer groups and share links. Attackers who know a victim team's data room and group identifiers can send DELETE requests, read group links, or rewrite group document permissions across teams.
Weakness: CWE-862
Which versions are affected by CVE-2026-111350?
How do I fix CVE-2026-111350?
No fix has been published for CVE-2026-111350 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-111350 being exploited?
There is no known exploitation of CVE-2026-111350 in the wild and no public exploit code.
Sources
Also known as GHSA-xxc7-55p3-gxvw.