CVE-2026-71390 — MEDIUM (4.0)

Q: How severe is CVE-2026-71390?

CVE-2026-71390 has been rated MEDIUM with a CVSS base score of 4.0/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-71390?

Check the references section above for vendor advisories and patch information. Affected products include: Adobe C2Pa, Adobe C2Pa-Web, Adobe C2Patool.

Vulnerability 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.

CVSS Score

4.0

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Adobe	C2Pa	< 0.90.6
Adobe	C2Pa-Web	< 0.12.1
Adobe	C2Patool	< 0.27.6

Related Weaknesses (CWE)

CWE-20

References

https://helpx.adobe.com/security/products/content-authenticity-sdk/apsb26-111.htVendor Advisory

FAQ

What is CVE-2026-71390?

CVE-2026-71390 is a vulnerability with a CVSS score of 4.0 (MEDIUM). 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 measu...

How severe is CVE-2026-71390?

CVE-2026-71390 has been rated MEDIUM with a CVSS base score of 4.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-71390?

Check the references section above for vendor advisories and patch information. Affected products include: Adobe C2Pa, Adobe C2Pa-Web, Adobe C2Patool.