Adobe Security Bulletin

Last updated on October 13, 2026

Security updates available for Adobe ColdFusion | APSB26-90

Bulletin ID

Date published

Priority

APSB26-90

August 11, 2026

1

style

grid width 12

Summary

Adobe has released a security update for ColdFusion versions 2025 and 2023. This update resolves critical and important vulnerabilities that could result in arbitrary code execution, privilege escalation, security feature bypass, application denial-of-service, and memory exposure.

Adobe is not aware of any exploits in the wild for any of the issues addressed in this update.

Affected Versions

Product

Update number

Platform

ColdFusion 2025

2025.11 and earlier versions

All

ColdFusion 2023

2023.22 and earlier versions

All

style

grid width 12

Solution

Adobe categorizes these updates with the following priority rating and recommends users update their installations to the newest versions:

Product

Updated version

Platform

Priority rating

Availability

ColdFusion 2025

2025.12

All

1

Tech Note

ColdFusion 2023

2023.23

All

1

Tech Note

style

grid width 12

Note

For security reasons, we strongly recommend to use latest mysql java connector. For more information on its usage, please refer to: https://helpx.adobe.com/coldfusion/kb/coldfusion-configuring-mysql-jdbc.html

See the updated serial filter documentation for more details on protection against insecure deserialization attacks: https://helpx.adobe.com/coldfusion/kb/coldfusion-serialfilter-file.html

style

xl spacing, one up, grid width 12, static-links, xxl-spacing-top

Vulnerability Details

CVE-2026-48362

Vulnerability category: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') (CWE-78)
Vulnerability impact: Arbitrary code execution
Severity: Critical
CVSS base score: 10.0
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVE-2026-48273

Vulnerability category: Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection') (CWE-95)
Vulnerability impact: Arbitrary code execution
Severity: Critical
CVSS base score: 9.9
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVE-2026-71384

Vulnerability category: Incorrect Authorization (CWE-863)
Vulnerability impact: Application denial-of-service
Severity: Critical
CVSS base score: 9.6
CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVE-2026-71386

Vulnerability category: Cross-site Scripting (XSS) (CWE-79)
Vulnerability impact: Arbitrary code execution
Severity: Critical
CVSS base score: 8.8
CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CVE-2026-21273

Vulnerability category: Improper Input Validation (CWE-20)
Vulnerability impact: Privilege escalation
Severity: Critical
CVSS base score: 8.7
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

CVE-2026-71387

Vulnerability category: Incorrect Authorization (CWE-863)
Vulnerability impact: Arbitrary code execution
Severity: Critical
CVSS base score: 8.8
CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2026-34635

Vulnerability category: Use of Hard-coded Cryptographic Key (CWE-321)
Vulnerability impact: Security feature bypass
Severity: Critical
CVSS base score: 8.2
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

CVE-2026-48440

Vulnerability category: Heap-based Buffer Overflow (CWE-122)
Vulnerability impact: Arbitrary code execution
Severity: Critical
CVSS base score: 8.1
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2026-21279

Vulnerability category: Improper Input Validation (CWE-20)
Vulnerability impact: Security feature bypass
Severity: Critical
CVSS base score: 8.1
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

CVE-2026-25652

Vulnerability category: Incorrect Authorization (CWE-863)
Vulnerability impact: Privilege escalation
Severity: Critical
CVSS base score: 7.8
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2026-48386

Vulnerability category: Use of a Broken or Risky Cryptographic Algorithm (CWE-327)
Vulnerability impact: Memory exposure
Severity: Critical
CVSS base score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVE-2026-71383

Vulnerability category: Incorrect Authorization (CWE-863)
Vulnerability impact: Security feature bypass
Severity: Important
CVSS base score: 7.3
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVE-2026-83961

Vulnerability category: Improper Authentication (CWE-287)
Vulnerability impact: Privilege escalation
Severity: Important
CVSS base score: 7.1
CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

CVE-2026-48375

Vulnerability category: Incorrect Authorization (CWE-863)
Vulnerability impact: Application denial-of-service
Severity: Important
CVSS base score: 6.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2026-48376

Vulnerability category: Improper Encoding or Escaping of Output (CWE-116)
Vulnerability impact: Security feature bypass
Severity: Important
CVSS base score: 5.4
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CVE-2026-48384

Vulnerability category: Improper Input Validation (CWE-20)
Vulnerability impact: Security feature bypass
Severity: Important
CVSS base score: 4.9
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Note

Effective August 11, 2026, Adobe may assign a single CVE identifier to internally discovered vulnerabilities with the same severity rating and CWE category when a release includes systemic fixes.

style

xl spacing, one up, grid width 12, static-links, xxl-spacing-top

Acknowledgements:

AnirudhAnand (a0xnirudh) — CVE-2026-71386

Note

Adobe recommends updating your ColdFusion JDK/JRE LTS version to the latest update release as a secure practice. The ColdFusion downloads page is regularly updated to include the latest Java installers for the JDK version your installation supports as per the matrices below.

For instructions on how to use an external JDK, view Change ColdFusion JVM.

Adobe also recommends applying the security configuration settings included in the ColdFusion Security documentation as well as review the respective Lockdown guides.

style

xl spacing, one up, grid width 12, static-links, xxl-spacing-top

NOTE: Adobe has a public bug bounty program with Intigriti. If you are interested in working with Adobe as an external security researcher, please check out https://app.intigriti.com/programs/adobe/adobepublic/detail.

For more information, visit https://www.adobe.com/trust/security/bug-bounty.html, or email PSIRT@adobe.com.

CardTitle

APSB26-90

CardDescription

Priority 1 Security update

CardImage

Created

2026-08-11