Medium 5.0Published Oct 15, 2026

CVE-2026-111350Papermark through 0.22.0 Missing Authorization in Data Room Viewer Group API

Updated under an hour ago (2026-10-19 08:30 UTC)

Does this affect you?

It affects Papermark. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Papermark

Exploited in the last 30 days

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.

CVSS: 5.0 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness (CWE): CWE-862
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 16, 2026
First seen by InfoSec Signals: Oct 15, 2026

Affected products

Affected products

papermark Papermark papermark:papermark (from the name)	through 0.22.0	CNA record

References

https://hackmd.io/@hieuPenguinnn/papermark-dataroom-group-delete-missing-authzthird-party-advisory
https://github.com/papermark/papermark/blob/v0.22.0/pages/api/teams/%5BteamId%5D/datarooms/%5Bid%5D/groups/%5BgroupId%5D/index.ts#L155-L190technical-description
https://github.com/papermark/papermark/blob/v0.22.0/pages/api/teams/%5BteamId%5D/datarooms/%5Bid%5D/groups/%5BgroupId%5D/links.ts#L52-L56technical-description
https://github.com/papermark/papermark/commit/b81cf62f390cda112f35538eb09e54b5f728b74apatch
https://github.com/papermark/papermark/commit/7fa52b23944823a9e74402fca8e48d644239bc0bpatch
https://github.com/papermark/papermarkproduct
https://www.vulncheck.com/advisories/papermark-through-0.22.0-missing-authorization-in-data-room-viewer-group-apithird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.