Adobe Security Bulletin

Last updated on Aug 25, 2026

Security updates available for Content Credentials SDK | APSB26-110

Bulletin ID

Date published

Priority

APSB26-110

August 25, 2026

3

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Summary

Adobe has released a security update for Content Credentials SDK. This update addresses critical and important vulnerabilities that could result in application denial-of-service and arbitrary file system read.

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

Affected versions

Product

Affected version

Platform

Content Credentials Rust SDK

c2pa-v0.89.0 and earlier

All

C2PA Tool

c2patool-v0.26.70 and earlier

All

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Solution

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

Product

Updated version

Platform

Priority rating

Availability

Content Credentials Rust SDK

c2pa-v0.90.11

All

3

Release Notes

C2PA Tool

c2patool-v0.27.11

All

3

Release Notes

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Vulnerability Details

Vulnerability category

Vulnerability impact

Severity

CVSS base score

CVSS vector

CVE number

Uncontrolled Resource Consumption (CWE-400)

Application denial-of-service

Critical

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2026-71360

Improper Input Validation (CWE-20)

Application denial-of-service

Critical

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2026-71443

Integer Underflow (Wrap or Wraparound) (CWE-191)

Application denial-of-service

Critical

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2026-71442

Integer Underflow (Wrap or Wraparound) (CWE-191)

Application denial-of-service

Important

6.2

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2026-71444

Integer Underflow (Wrap or Wraparound) (CWE-191)

Application denial-of-service

Important

6.2

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2026-76189

Improper Input Validation (CWE-20)

Arbitrary file system read

Important

5.5

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVE-2026-76198

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.

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Acknowledgments

Adobe would like to thank the following researchers for reporting this issue and for working with Adobe to help protect our customers.

bau1u — CVE-2026-71360, CVE-2026-71443, CVE-2026-71442, CVE-2026-71444, CVE-2026-76189
Jony (jony_juice) — CVE-2026-76198

NOTE: Adobe has a public bug bounty program with HackerOne. 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

APSB26-110

CardDescription

Priority 3 Security update

CardImage

Created

2026-08-25