Description
CAI Content Credentials is affected by an Improper Input Validation vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized limited write access. Exploitation of this issue does not require user interaction.
Published: 2026-08-11
Score: 4 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

The vulnerability is an improper input validation flaw that can bypass security checks and grant an attacker limited write privileges without user interaction. The issue is specifically tied to Adobe Content Credentials components, allowing a misuse of input to expose write capabilities that were intended to be blocked by the security mechanism. The impact is the escalation of privileges to perform write operations within the bounds of the restricted area, thereby violating confidentiality and integrity constraints for that area.

Affected Systems

Adobe offers the Content Credentials Command-Line Tool, the JavaScript SDK, and the Rust SDK. These products contain the vulnerable code paths. No specific affected versions have been disclosed, so administrators should verify that they are running the latest available releases of each of these components.

Risk and Exploitability

The CVSS score of 4 indicates a low to moderate severity. The EPSS score is less than 1%, suggesting that exploitation is currently unlikely to be widespread. The vulnerability does not require any user interaction; however, it is inferred that if the Command-Line Tool or SDK is exposed to an attacker—whether through a network or local system access—the attacker can trigger the flaw remotely. The lack of inclusion in the CISA KEV catalog further supports the assessment that no large‑scale exploitation has yet been observed. Nonetheless, the ability for an attacker to gain write access warrants timely remediation.

Generated by OpenCVE AI on August 12, 2026 at 21:00 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Update the Adobe Content Credentials Command-Line Tool, JS SDK, and Rust SDK to a version that corrects the input validation flaw.
  • Where an immediate update is not possible, restrict the execution of these components to trusted users only and enforce a strict permissions policy that limits write privileges to the minimum required by business processes.
  • Review the data passed to the SDKs or CLI in your own code, applying strict type checking and whitelisting of acceptable characters to ensure that only validated input can reach the underlying vulnerable functions.

Generated by OpenCVE AI on August 12, 2026 at 21:00 UTC.

Tracking

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Advisories

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History

Fri, 14 Aug 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Adobe c2pa
Adobe c2pa-web
Adobe c2patool
CPEs cpe:2.3:a:adobe:c2pa-web:*:*:*:*:*:node.js:*:*
cpe:2.3:a:adobe:c2pa:*:*:*:*:*:rust:*:*
cpe:2.3:a:adobe:c2patool:*:*:*:*:*:*:*:*
Vendors & Products Adobe c2pa
Adobe c2pa-web
Adobe c2patool

Thu, 13 Aug 2026 02:00:00 +0000

Type Values Removed Values Added
First Time appeared Adobe
Adobe content Credentials Command-line Tool
Adobe content Credentials Js Sdk
Adobe content Credentials Rust Sdk
Vendors & Products Adobe
Adobe content Credentials Command-line Tool
Adobe content Credentials Js Sdk
Adobe content Credentials Rust Sdk

Tue, 11 Aug 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 11 Aug 2026 17:15:00 +0000

Type Values Removed Values Added
Description CAI Content Credentials is affected by an Improper Input Validation vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized limited write access. Exploitation of this issue does not require user interaction.
Title CAI Content Credentials | Improper Input Validation (CWE-20)
Weaknesses CWE-20
References
Metrics cvssV3_1

{'score': 4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}


Subscriptions

Adobe C2pa C2pa-web C2patool Content Credentials Command-line Tool Content Credentials Js Sdk Content Credentials Rust Sdk
cve-icon MITRE

Status: PUBLISHED

Assigner: adobe

Published:

Updated: 2026-08-27T22:34:17.478Z

Reserved: 2026-08-06T09:00:50.000Z

Link: CVE-2026-71390

cve-icon Vulnrichment

Updated: 2026-08-11T17:49:38.751Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-11T17:19:14.087

Modified: 2026-08-28T00:18:10.197

Link: CVE-2026-71390

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T01:45:02Z

Weaknesses
  • CWE-20

    Improper Input Validation