Auth bypass in Papermerge Papermerge-Core
CVE-2026-110624
Papermerge Core through 3.5.3 contains a missing authorization vulnerability that allows authenticated users to list other groups' tags and document types by supplying a group_id parameter. Attackers who know a group's UUID can query GET /tags/all or GET /document-types/all, which skip the user_belongs_to check, to disclose metadata of groups they do not belong to.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/papermerge/papermerge-core/issues/1291 (issue-tracking)
- github.com/papermerge/papermerge-core/blob/3.5.3/papermerge/core/features/tags/… (technical-description)
- github.com/papermerge/papermerge-core/blob/3.5.3/papermerge/core/features/docum… (technical-description)
- github.com/papermerge/papermerge-core/commit/0fd469102b05b5ebeb5ee39b3f73ff7699… (patch)
- www.vulncheck.com/advisories/papermerge-core-through-3.5.3-missing-authorizatio… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-110624?
- CVE-2026-110624 is a low-severity vulnerability in Papermerge Papermerge-Core, classified under Missing Authorization. CVSS score: 3.1/10. Published 2026-10-14.
- How severe is CVE-2026-110624?
- Low severity. CVSS v3 base score is 3.1 out of 10.