CVE-2026-103820: Adobe Content Credentials path traversal in file extraction

CVE-2026-103820 · Severity: medium · CVSS 5.5 · Published 2026-10-13

Adobe Content Credentials SDK, a library for managing digital credentials and verifying content authenticity, contains a path traversal vulnerability that allows attackers to write arbitrary files outside intended directories. An attacker who tricks a user into extracting a maliciously crafted file can overwrite critical system or application files, potentially compromising application integrity or enabling code execution. Adobe is not aware of active exploitation.

Technologies: Adobe C2pa, Adobe C2PA Tool, Adobe C2pa-Web, Adobe C2patool, Adobe Content Credentials JS SDK, Adobe Content Credentials Rust SDK. Vendors: Adobe.

Quick answers

Is CVE-2026-103820 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-103820 being exploited in the wild.
How severe is CVE-2026-103820?
Medium severity, with a CVSS score of 5.5, published 13 October 2026.
Which products and versions are affected?
Adobe C2PA Tool c2patool-v0.27.15 and earlier; Adobe Content Credentials JS SDK @contentauth/c2pa-web@0.13.4 and earlier; Adobe Content Credentials Rust SDK c2pa-v0.90.15 and earlier.
Is there a fix for CVE-2026-103820?
Yes: fixed in Content Credentials Rust SDK c2pa-v0.91.1; C2PA Tool c2patool-v0.28.1; Content Credentials JS SDK @contentauth/c2pa-web@0.15.3. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-103820 attacked?
It is attacked with local access, in a software library.
Am I affected by CVE-2026-103820?
Check whether you run Adobe C2pa, Adobe C2PA Tool, Adobe C2pa-Web or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: Content Credentials Rust SDK c2pa-v0.91.1; C2PA Tool c2patool-v0.28.1; Content Credentials JS SDK @contentauth/c2pa-web@0.15.3

Technical details

The vulnerability is an improper pathname limitation (CWE-22 / path traversal) in the file extraction logic of Adobe Content Credentials SDK. Exploitation requires user interaction—a victim must extract a specially crafted archive or credential file. This allows an attacker to write to arbitrary filesystem locations outside the intended directory, potentially overwriting configuration files, executables, or other critical resources.

Affected products

  • Adobe Content Credentials Rust SDK c2pa-v0.90.15 and earlier
  • Adobe C2PA Tool c2patool-v0.27.15 and earlier
  • Adobe Content Credentials JS SDK @contentauth/c2pa-web@0.13.4 and earlier

Timeline

  • 2026-10-13: disclosed

References

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