CVE-2023-26359
Actively exploited. CVE-2023-26359 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-08-21) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Adobe ColdFusion contains a deserialization of untrusted data vulnerability that could result in code execution in the context of the current user.
CSIRTS triage
- What
- Adobe ColdFusion contains a deserialization of untrusted data vulnerability that could result in code execution in the context of the current user.
- Who is affected
- Deployments of Adobe ColdFusion are affected.
- Urgency
- Remediation is urgent due to active exploitation and critical severity.
- Action
- Apply the latest security patch for Adobe ColdFusion.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 97% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2023-26359: Adobe ColdFusion Deserialization of Untrusted Data Vulnerabilitycisa-kev · 2023-08-21
External references
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[](https://www.csirts.com/cve/CVE-2023-26359)