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Adobe Security Bulletin

Last updated on Aug 11, 2026

Security updates available for Content Credentials SDK | APSB26-111

Bulletin ID
Date published
Priority
APSB26-111
August 11, 2026
3
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Summary

Adobe has released security updates for Content Credentials SDK. This update addresses critical and important vulnerabilities that could result in security feature bypass, arbitrary file system write, arbitrary file system read, application denial-of-service, and privilege escalation.

Adobe is not aware of any exploits in the wild for any of the issues addressed in these updates.

Affected versions

Product
Affected version
Platform
Content Credentials Rust SDK
c2pa-v0.90.5 and earlier
All
C2PA Tool
c2patool-v0.27.5 and earlier
All
Content Credentials JS SDK
@contentauth/c2pa-web@0.12.0 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-v0.90.6
All
3
Release Notes
C2PA Tool
c2patool-v0.27.6
All
3
Release Notes
Content Credentials JS SDK
@contentauth/c2pa-web@0.12.1
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-2026-48439
NULL Pointer Dereference (CWE-476)
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-2026-48438
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22)
Arbitrary file system write
Critical
7.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
CVE-2026-48442
Improper Input Validation (CWE-20)
Security feature bypass
Important
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVE-2026-48436
Integer Overflow or Wraparound (CWE-190)
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-2026-48387
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-2026-48435
Integer Overflow or Wraparound (CWE-190)
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-2026-48445
Uncontrolled Resource Consumption (CWE-400)
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-2026-48434
Integer Overflow or Wraparound (CWE-190)
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-2026-48444
Uncontrolled Resource Consumption (CWE-400)
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-2026-48443
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-2026-71389
Improper Certificate Validation (CWE-295)
Security feature bypass
Important
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVE-2026-48437
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22)
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-2026-48446
Server-Side Request Forgery (SSRF) (CWE-918)
Security feature bypass
Important
4.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
CVE-2026-47922
Improper Input Validation (CWE-20)
Privilege escalation
Important
4.0
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVE-2026-71390

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.

  • 0x0.eth (0x0doteth) — CVE-2026-47922
  • bau1u — CVE-2026-48439, CVE-2026-48438, CVE-2026-48387, CVE-2026-48435, CVE-2026-48445, CVE-2026-48434, CVE-2026-48443, CVE-2026-71389
  • Sindid (sndd) — CVE-2026-48442
  • susdrip (susdrip) — CVE-2026-48437
  • MJ (mickeyjoe) — CVE-2026-48436
  • Sneharghya (sneharghyaroy) — CVE-2026-48446
  • Ashutosh (ashutosh0x) — CVE-2026-48444
  • Cantina (cantina-security) — CVE-2026-71390

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
APSB26-111
CardDescription
Priority 3 Security update
CardImage
Adobe
Created
2026-08-11
Tags
caas:content-type/documentation,caas:trust-center/security-bulletin
PrimaryTag
caas:content-type/article
Details
caas:mnemonics/content-authenticity-sdk
Arbitrary
search: CVE-2026-48439 CVE-2026-48438 CVE-2026-48442 CVE-2026-48436 CVE-2026-48387 CVE-2026-48435 CVE-2026-48445 CVE-2026-48434 CVE-2026-48444 CVE-2026-48443 CVE-2026-71389 CVE-2026-48437 CVE-2026-48446 CVE-2026-47922 CVE-2026-71390