ClosedCriticalPatched

Adobe ColdFusion: Deserialization of Untrusted Data (CVE-2023-26359)

Adobe ColdFusion

Adobe ColdFusion contains a deserialization of untrusted data vulnerability that could result in code execution in the context of the current user. Added to CISA KEV on 2023-08-21.

Why this severity: CVSS 9.8 (NVD), actively exploited (CISA KEV)

Started: Aug 21, 2023
Closed: Aug 21, 2023
CVE: CVE-2023-26359

Follow this incident

Updated Aug 21, 2023

Affected

See vendor advisory / CISA notes (versions not always listed in KEV feed)

Fixed in

See vendor advisory linked in sources

Timeline1

Aug 21, 2023
CISA added CVE-2023-26359 to the KEV catalog (due 2023-09-11).

Advisories3

Notes & caveats

Derived from CISA KEV JSON feed catalogVersion 2026.10.21. Exact affected/fixed version strings are not always in the KEV record — verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier).

Get an email when a new major security incident drops. No spam, unsubscribe any time.

Get notified