How severe is CVE-2026-48434?

CVE-2026-48434 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-2026-48434 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-48434?

CVE-2026-48434 primarily affects Adobe C2pa. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-48434?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-48434 published?

CVE-2026-48434 was published on 2026-08-11 and last updated on 2026-08-14.

CVE-2026-48434

CVE-2026-48434 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-400.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Adobe C2pa
Published: 2026-08-11
Last modified: 2026-08-14

Description

CAI Content Credentials is affected by an Uncontrolled Resource Consumption vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to exhaust system resources, resulting in an application denial-of-service condition. Exploitation of this issue does not require user interaction.

Frequently asked questions

What is CVE-2026-48434?: CAI Content Credentials is affected by an Uncontrolled Resource Consumption vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to exhaust system resources, resulting in an application denial-of-service condition. Exploitation of this issue does not require user interaction.
How severe is CVE-2026-48434?: CVE-2026-48434 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-2026-48434 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-48434?: CVE-2026-48434 primarily affects Adobe C2pa. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-48434?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-48434 published?: CVE-2026-48434 was published on 2026-08-11 and last updated on 2026-08-14.

References

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

Affected products (3)

cpe:2.3:a:adobe:c2pa:*:*:*:*:*:rust:*:*
cpe:2.3:a:adobe:c2pa-web:*:*:*:*:*:node.js:*:*
cpe:2.3:a:adobe:c2patool:*:*:*:*:*:*:*:*

More vulnerabilities in Adobe C2pa

CVE-2026-48290 — High (CVSS 8.2): CAI Content Credentials is affected by a Server-Side Request Forgery (SSRF) vulnerability that could result in…
CVE-2026-48439 — High (CVSS 7.5): CAI Content Credentials is affected by an Uncontrolled Resource Consumption vulnerability that could lead to…
CVE-2026-48438 — High (CVSS 7.5): CAI Content Credentials is affected by a NULL Pointer Dereference vulnerability that could result in an application…
CVE-2026-48352 — High (CVSS 7.5): CAI Content Credentials is affected by an Improper Input Validation vulnerability that could result in an application…
CVE-2026-48351 — High (CVSS 7.5): CAI Content Credentials is affected by an Improper Input Validation vulnerability that could result in an application…
CVE-2026-48295 — High (CVSS 7.5): CAI Content Credentials is affected by an Insufficiently Protected Credentials vulnerability that could result in…

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