Adobe Security Bulletin

Last updated on Sep 22, 2026

Security updates available for Content Credentials SDK | APSB26-147

Bulletin ID

Date published

Priority

APSB26-147

September 22, 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 security feature bypass and application denial-of-service.

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-v0.89.2 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-v0.90.17

All

3

Release Notes

C2PA Tool

c2patool-v0.27.17

All

3

Release Notes

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Vulnerability Details

CVE-2026-19480

Vulnerability category: Improper Input Validation (CWE-20)
Vulnerability impact: Security feature bypass
Severity: Critical
CVSS base score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVE-2026-75632

Vulnerability category: Uncontrolled Resource Consumption (CWE-400)
Vulnerability impact: Application denial-of-service
Severity: Critical
CVSS base score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2026-75638

Vulnerability category: Improper Input Validation (CWE-20)
Vulnerability impact: Security feature bypass
Severity: Important
CVSS base score: 6.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CVE-2026-75633

Vulnerability category: Improper Input Validation (CWE-20)
Vulnerability impact: Application denial-of-service
Severity: Important
CVSS base score: 5.5
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVE-2026-89277

Vulnerability category: Integer Overflow or Wraparound (CWE-190)
Vulnerability impact: Application denial-of-service
Severity: Important
CVSS base score: 5.5
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVE-2026-75634

Vulnerability category: Improper Input Validation (CWE-20)
Vulnerability impact: Security feature bypass
Severity: Important
CVSS base score: 4.3
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVE-2026-76194

Vulnerability category: Improper Input Validation (CWE-20)
Vulnerability impact: Security feature bypass
Severity: Important
CVSS base score: 4.3
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

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.

Geo-VIE (gvfx) — CVE-2026-19480
rootdaddy (r00tdaddy) — CVE-2026-75632
mars (marsduk) — CVE-2026-75638
bau1u — CVE-2026-75633, CVE-2026-89277
susdrip — CVE-2026-75634
0x0.eth (0x0doteth) — CVE-2026-76194

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

APSB26-147

CardDescription

Priority 3 Security update

CardImage

Created

2026-09-22