What’s Vulnerable › Vulnerabilities

CVE-2026-110624: Papermerge Core through 3.5.3 Missing Authorization via /tags/all and /document-types/all

• Severity: low (CVSS 3.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-14 · updated 2026-10-14
• Weakness: CWE-862

Description

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.

Affected products

• papermerge-core: through 3.5.3

References

• https://github.com/papermerge/papermerge-core/blob/3.5.3/papermerge/core/features/document_types/router.py#L37-L62
• https://github.com/papermerge/papermerge-core/blob/3.5.3/papermerge/core/features/tags/router.py#L39-L64
• https://github.com/papermerge/papermerge-core/commit/0fd469102b05b5ebeb5ee39b3f73ff76991ab269
• https://github.com/papermerge/papermerge-core/issues/1291
• https://www.vulncheck.com/advisories/papermerge-core-through-3.5.3-missing-authorization-via-tags-all-and-document-types-all

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