CVE-2026-113573: Adobe Content Credentials SDK improper input validation security feature bypass

CVE-2026-113573 · Severity: medium · CVSS 5.9 · Published 2026-11-10

Adobe Content Credentials SDK is a cryptographic library used to verify the authenticity and integrity of digital media. An improper input validation vulnerability allows attackers to bypass security measures and gain unauthorized write access to credentials, potentially allowing them to forge or alter digital authenticity records. The vulnerability requires specific conditions to exploit but does not require user interaction.

Technologies: Adobe C2PA Tool, Adobe Content Credentials Rust SDK. Vendors: Adobe.

Quick answers

Is CVE-2026-113573 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-113573 being exploited in the wild.
How severe is CVE-2026-113573?
Medium severity, with a CVSS score of 5.9, published 10 November 2026.
Which products and versions are affected?
Adobe C2PA Tool c2patool-v0.28.5 and earlier; Adobe Content Credentials Rust SDK c2pa-v0.91.10 and earlier.
Is there a fix for CVE-2026-113573?
Yes: fixed in Content Credentials Rust SDK c2pa-v0.91.11, C2PA Tool c2patool-v0.28.6. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-113573 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-113573?
Check whether you run Adobe C2PA Tool or Adobe Content Credentials Rust SDK 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-v0.91.11, C2PA Tool c2patool-v0.28.6

Technical details

CVE-2026-113573 is an improper input validation flaw (CWE-20) in Adobe Content Credentials that enables security feature bypass with high attack complexity over the network. The attacker gains the ability to modify credential integrity without authentication, but exploitation depends on conditions beyond the attacker's control. Patches are available in Content Credentials Rust SDK c2pa-v0.91.11 and C2PA Tool c2patool-v0.28.6.

Affected products

  • Adobe Content Credentials Rust SDK c2pa-v0.91.10 and earlier
  • Adobe C2PA Tool c2patool-v0.28.5 and earlier

Timeline

  • 2026-11-10: advisory: Adobe Security Bulletin APSB26-184 published

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.