PatchTheCVECVE-2026-75638: CAI Content Credentials is affected by an Improper Input Validation vulnerability that could result in a Secur
CVE-2026-75638 is a medium-severity flaw (CVSS 6.5) affecting c2pa, c2patool. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 write access. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.7% (top 46%) |
| CISA exploited list | No |
| Weakness | CWE-20 |
| Published | 2026-09-22 |
| Last modified | 2026-10-15 |
Last updated 2026-10-15 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-75638?
c2pa: upgrade to newer than 0.89.2; c2patool: upgrade to newer than 0.26.70. Exact commands for each OS are on this page.
Is CVE-2026-75638 being exploited?
CVE-2026-75638 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-75638 affect?
CVE-2026-75638 affects c2pa, c2patool. Severity is medium (CVSS 6.5). 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 write access.
How urgent is CVE-2026-75638?
Priority 36/100. No elevated risk signals yet.
Related CVEs
- CVE-2026-34665 HIGH 7.5 UPGRADE UPGRADE CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Uncontrolled Reso
- CVE-2026-34666 MEDIUM 6.2 UPGRADE UPGRADE CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Improper Input Va
- CVE-2026-34667 MEDIUM 6.2 UPGRADE UPGRADE CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Integer Underflow
- CVE-2026-34670 MEDIUM 6.2 UPGRADE UPGRADE CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Improper Input Va
- CVE-2026-34672 MEDIUM 6.2 UPGRADE UPGRADE CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Integer Underflow