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VulnerabilityPublished

CVE-2026-123261: Adobe Content Credentials Rust SDK · Improper Verification of Cryptographic Signature

Affects Adobe Content Credentials Rust SDKSource CVE Database V5

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Not known to be exploited · CVSS 5.9 Medium.

Data as of 10 Nov 2026, 21:35 UTC

CVSS 3.1 base score
5.9Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (adobe)CVSS 3.15.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
AdobeContent Credentials Rust SDKAffected
  • =0
Fixed in–
AdobeC2PA ToolAffected
  • =0
Fixed in–

AI-suggested

Since this is not a cloud service, users should monitor Adobe advisories for updates. Until a fix is released, consider restricting access to the affected SDK and applying compensating controls to limit unauthorized write operations.

Description

CVE-2026-123261 is an improper verification of cryptographic signature vulnerability in Adobe Content Credentials Rust SDK. This flaw could allow an attacker to bypass security features and gain unauthorized write access without user interaction. Exploitation requires conditions beyond the attacker's control. The vulnerability has a medium severity with a CVSS score of 5.9.

References

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