Is CVE-2026-82290 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-82290?

CVE-2026-82290 has a CVSS v3 severity of MEDIUM (5.3).

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CVE-2026-82290

Description

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.