# CVE-2026-100123: Adobe Content Credentials improper certificate validation

Source: https://junglewise.ai/threats/cve-2026-100123-cai-content-credentials-is-affected-by-an-improper-certificate  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-13. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-100123 · Severity: high · CVSS 7.5 · Published 2026-10-13

Adobe Content Credentials SDK is a toolkit for embedding and verifying digital provenance metadata in content. An improper certificate validation flaw allows attackers to bypass security checks and gain unauthorized write access to content without user interaction, compromising the integrity guarantees that Content Credentials is designed to provide.

Technologies: [Adobe C2pa](https://junglewise.ai/threats/technologies/c2pa), [Adobe C2PA Tool](https://junglewise.ai/threats/technologies/c2pa-tool), [Adobe C2pa-Web](https://junglewise.ai/threats/technologies/c2pa-web), [Adobe C2patool](https://junglewise.ai/threats/technologies/c2patool), [Adobe Content Credentials JS SDK](https://junglewise.ai/threats/technologies/content-credentials-js-sdk), [Adobe Content Credentials Rust SDK](https://junglewise.ai/threats/technologies/content-credentials-rust-sdk). Vendors: [Adobe](https://junglewise.ai/threats/vendors/adobe).

## Quick answers

**Is CVE-2026-100123 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-100123 being exploited in the wild.

**How severe is CVE-2026-100123?** High severity, with a CVSS score of 7.5, 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-2026-100123?** 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-2026-100123 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-100123?** 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

CVE-2026-100123 is an improper certificate validation vulnerability (CWE-295) in Adobe Content Credentials that allows security feature bypass. The flaw permits network-based attackers to perform unauthorized modifications with no authentication or user interaction required. The vulnerability affects the Rust SDK, C2PA Tool, and JavaScript SDK across all platforms.

## 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

- [https://www.adobe.com/trust/security/products/content-credentials-sdk/apsb26-163.html](https://www.adobe.com/trust/security/products/content-credentials-sdk/apsb26-163.html)

## Related threats

- [Adobe Content Credentials SDK path traversal in file write](https://junglewise.ai/threats/cve-2026-123267-cai-content-credentials-is-affected-by-an-improper-limitation-of)
- [Adobe Content Credentials SDK improper verification of cryptographic signature](https://junglewise.ai/threats/cve-2026-123262-cai-content-credentials-is-affected-by-an-improper-verification)
- [Adobe Content Credentials SDK improper input validation in security feature](https://junglewise.ai/threats/cve-2026-123260-cai-content-credentials-is-affected-by-an-improper-input)
- [Adobe Content Credentials SDK improper cryptographic signature verification](https://junglewise.ai/threats/cve-2026-122100-cai-content-credentials-is-affected-by-an-improper-verification)
- [Adobe Content Credentials SDK uncontrolled resource consumption denial-of-service](https://junglewise.ai/threats/cve-2026-122097-cai-content-credentials-is-affected-by-an-uncontrolled-resource)