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Findings

CVE-2023-26359

Adobe ColdFusion Deserialization of Untrusted Data Vulnerability

Published Mar 23, 2023 · updated Jun 16, 2026 · adobe coldfusion

Adobe ColdFusion versions 2018 Update 15 (and earlier) and 2021 Update 5 (and earlier) are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 23, 2023 · Catalog

    Detected

    Adobe ColdFusion versions 2018 Update 15 (and earlier) and 2021 Update 5 (and earlier) are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction.

  2. Aug 21, 2023 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  3. Sep 11, 2023 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  4. Jun 16, 2026 · Catalog

    Updated

    Adobe ColdFusion versions 2018 Update 15 (and earlier) and 2021 Update 5 (and earlier) are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA due date Sep 11, 2023

Affected

  • cpe adobe/coldfusion2018
  • vendor Adobe ColdFusionversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2023-26359

    Adobe ColdFusion contains a deserialization of untrusted data vulnerability that could result in code execution in the context of the current user.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2023-26359

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-26359

    30-day exploitation probability 17.0%

    first.org
  • NIST NVDVulnerability recordCVE-2023-26359

    Adobe ColdFusion versions 2018 Update 15 (and earlier) and 2021 Update 5 (and earlier) are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require u

    nvd.nist.gov

References