CVE-2026-123261: Adobe Content Credentials Rust SDK · Improper Verification of Cryptographic Signature
Affects Adobe Content Credentials Rust SDKSource CVE Database V5
Not known to be exploited · CVSS 5.9 Medium.
Data as of 10 Nov 2026, 21:35 UTC
Thin evidence
One scorer or none| CNA (adobe) | CVSS 3.1 | 5.9 |
|---|
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 10 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| AdobeContent Credentials Rust SDK | Affected
| Fixed in– |
| AdobeC2PA Tool | Affected
| 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.