# CVE-2026-100136: Adobe Content Credentials integer overflow denial-of-service

Source: https://junglewise.ai/threats/cve-2026-100136-cai-content-credentials-is-affected-by-an-integer-overflow-or  
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-2026-100136 · Severity: high · CVSS 7.5 · Published 2026-10-13

Adobe Content Credentials SDK is a cryptographic credential system used to verify the authenticity and origin of digital content. An integer overflow vulnerability allows an attacker to crash applications using the SDK, disrupting their availability without requiring user interaction or special privileges.

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-2026-100136 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-100136 being exploited in the wild.

**How severe is CVE-2026-100136?** 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-2026-100136?** 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-2026-100136 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-100136?** 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-2026-100136 is an integer overflow or wraparound vulnerability in Adobe Content Credentials SDK components (Rust SDK, C2PA Tool, and JS SDK). The vulnerability is triggered over the network without authentication or user interaction, causing uncontrolled resource consumption that leads to application denial-of-service.

## 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)