CVE-2026-34679

CVE-2026-34679 is a medium-severity vulnerability in Adobe C2pa with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Description

CAI Content Credentials versions [email protected], c2pa-v0.78.2 and earlier are affected by an Improper Input Validation vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.

Frequently asked questions

What is CVE-2026-34679?
CAI Content Credentials versions [email protected], c2pa-v0.78.2 and earlier are affected by an Improper Input Validation vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.
How severe is CVE-2026-34679?
CVE-2026-34679 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-34679 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34679?
CVE-2026-34679 primarily affects Adobe C2pa. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-34679?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-34679 have an EU (EUVD) identifier?
Yes. CVE-2026-34679 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29778.
When was CVE-2026-34679 published?
CVE-2026-34679 was published on 2026-05-12 and last updated on 2026-06-17.

References

Affected products (2)

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