CVE-2026-73059
mediumpriority · track · 0OT risk · elevatedEPSS 0.004 · 30 %ileEUEPSS · scored 2026-10-22
stoatchat before 0.15.0 contains a permission bypass vulnerability in the message_fetch route that checks only ViewChannel permission instead of requiring ReadMessageHistory. Attackers with ViewChannel access but ReadMessageHistory denied can retrieve individual message content by ID, bypassing the intended history restriction enforced by bulk read routes.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.9–7.1
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (1)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://github.com/stoatchat/stoatchat/security/advisories/GHSA-8qp4-h9xf-2vqrenisa_euvd
- https://www.vulncheck.com/advisories/stoatchat-before-permission-bypass-via-message-fetchenisa_euvd
- https://github.com/stoatchat/stoatchat/security/advisories/GHSA-8qp4-h9xf-2vqrnvd
- https://www.vulncheck.com/advisories/stoatchat-before-permission-bypass-via-message-fetchnvd
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