CVE-2026-110624: papermerge papermerge-core advisory

Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.

What it is

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.

Description quoted from the CVE record (assigned by VulnCheck, published 2026-10-14).

Weakness: Missing Authorization

How it can be exploited

Exploitable over the network with low attack complexity only when specific conditions are present needing low privileges and no user interaction. Impact: confidentiality low, integrity none, availability none. CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CISA assessment (SSVC): CISA has no evidence of exploitation. Automatable: no. Technical impact: partial.

Public exploit evidence (Exploit Observer)

Exploit Observer found 3 code repositories naming this CVE.

Code repositories that name a CVE are often scanners, copies or fakes, and some are malware. Read the code before running anything.

See all 6 references on Exploit Observer

Live scores

EPSS: 0.003
low predicted chance of attack
VEDAS: 0.988
strong exploit evidence
On CISA KEV: Not listed
Detection rule: Suricata

Who is affected

Product	Affected	Not affected
papermerge papermerge-core	up to and including 3.5.3	Not stated

Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.

How to fix it

Vendor guidance:

https://github.com/papermerge/papermerge-core/commit/0fd469102b05b5ebeb5ee39b3f73ff76991ab269 (patch)

How to detect it

Suricata rules (network detection)

1 rule that alert on traffic matching this exploit: VEDAS CVE-2026-110624 Papermerge Core - Missing Authorization Cross-Group Metadata Disclosure. Add them to your Suricata rule set and reload.

Show the rules

suricata

alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2026-110624 Papermerge Core - Missing Authorization Cross-Group Metadata Disclosure"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"group_id="; nocase; fast_pattern; content:"/all"; nocase; pcre:"/\/(tags|document-types)\/all\b[^ ]*[?&]group_id=/i"; classtype:web-application-attack; reference:cve,CVE-2026-110624; reference:url,https://www.exploit.observer/?keyword=CVE-2026-110624&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=papermerge&match=exact; sid:1084800; rev:1;)

CVE-2026-110624.rules on GitHub

References

Vendor advisories and patches

https://github.com/papermerge/papermerge-core/commit/0fd469102b05b5ebeb5ee39b3f73ff76991ab269 (patch)

Technical analysis and advisories

https://github.com/papermerge/papermerge-core/issues/1291 (issue-tracking)
https://github.com/papermerge/papermerge-core/blob/3.5.3/papermerge/core/features/tags/router.py#L39-L64 (technical-description)
https://github.com/papermerge/papermerge-core/blob/3.5.3/papermerge/core/features/document_types/router.py#L37-L62 (technical-description)
VulnCheck Advisory: Papermerge Core through 3.5.3 Missing Authorization via /tags/all and /document-types/all (third-party-advisory)

Other databases

Where this comes from

This advisory is generated automatically by VEDAS from: CVE.org record, cve-scores (EPSS and VEDAS), Exploit Observer, vedas-signatures. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.