CVE-2023-26360
HIGHCISA KEVEPSS 100th pctlDescription
Adobe ColdFusion versions 2018 Update 15 (and earlier) and 2021 Update 5 (and earlier) are affected by an Improper Access Control vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction.
How to fix
Actively exploited, no published fix found yet
CISA required action: Apply updates per vendor instructions.
Federal remediation due: 2023-04-05
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Exploit Intelligence
Very high risk: more likely to be exploited than 100% of all known CVEs.
Adobe ColdFusion Deserialization of Untrusted Data Vulnerability
Adobe ColdFusion contains a deserialization of untrusted data vulnerability that allows for remote code execution.
Apply updates per vendor instructions.
Remediation due: 2023-04-05
References
Related Vulnerabilities
Other CWE-284 (Improper Access Control) vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2023-27350 | Critical | 9.8 | 100% | KEV + Ransom | Fix |
| CVE-2019-1653 | High | 7.5 | 100% | KEV | - |
| CVE-2023-23752 | Medium | 5.3 | 100% | KEV | Fix |
| CVE-2023-38205 | High | 7.5 | 100% | KEV | - |
| CVE-2023-29298 | High | 7.5 | 100% | KEV | - |
| CVE-2024-27348 | Critical | 9.8 | 99% | KEV | Fix |
Common questions
How do I fix CVE-2023-26360?
No published fix for CVE-2023-26360 has been found yet. It is on the CISA Known Exploited Vulnerabilities list; federal agencies must remediate by 2023-04-05. Apply the vendor's mitigations per CISA's guidance.
Is CVE-2023-26360 being actively exploited?
Yes. CVE-2023-26360 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2023-04-05. Treat it as a priority whatever its CVSS score says.
How severe is CVE-2023-26360?
CVE-2023-26360 has a CVSS v3 base score of 8.6, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
Embed a live status badge for CVE-2023-26360
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-23.