How severe is CVE-2026-48437?

CVE-2026-48437 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-48437 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-48437?

CVE-2026-48437 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-2026-48437?

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

When was CVE-2026-48437 published?

CVE-2026-48437 was published on 2026-08-11 and last updated on 2026-08-14.

CVE-2026-48437

CVE-2026-48437 is a medium-severity vulnerability in Adobe C2pa with a CVSS 3.x base score of 5.5. 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-295.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Adobe C2pa
Published: 2026-08-11
Last modified: 2026-08-14

Description

CAI Content Credentials is affected by an Improper Certificate 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.

Frequently asked questions

What is CVE-2026-48437?: CAI Content Credentials is affected by an Improper Certificate 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.
How severe is CVE-2026-48437?: CVE-2026-48437 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-48437 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-48437?: CVE-2026-48437 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-2026-48437?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-48437 published?: CVE-2026-48437 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…

All CVEs affecting Adobe C2pa →

Other CWE-295 (Improper Certificate Validation) vulnerabilities

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CVE-2025-68121 — Critical (CVSS 10.0): During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between…
CVE-2022-20703 — Critical (CVSS 10.0): Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker…
CVE-2021-1471 — Critical (CVSS 9.9): Multiple vulnerabilities in Cisco Jabber for Windows, Cisco Jabber for MacOS, and Cisco Jabber for mobile platforms…

Browse all CWE-295 (Improper Certificate Validation) vulnerabilities →