CVE-2026-82290
Chainlit through 2.12.0 fails to validate ownership of feedback records in PUT and DELETE endpoints. Authenticated attackers can delete or m
CVSS
5.3
Medio
EPSS
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KEV
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Exploit Today
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0-100
Publicado: 28 ago 2026 · Última mod.: 28 ago 2026 · CWE-639
Sin historial EPSS suficiente todavía.
Chainlit through 2.12.0 fails to validate ownership of feedback records in PUT and DELETE endpoints. Authenticated attackers can delete or modify other users' feedback by supplying arbitrary feedback identifiers, corrupting human-rating data used for model evaluation.
- github.comhttps://github.com/Chainlit/chainlit
- github.comhttps://github.com/Chainlit/chainlit/blob/190ea74239d9e84b26e7c91bc2882dd038942564/backend/chainlit/server.py
- github.comhttps://github.com/Chainlit/chainlit/issues/2975
- www.vulncheck.comhttps://www.vulncheck.com/advisories/chainlit-feedback-endpoints-missing-ownership-validation
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