CVE & CISA-KEV Catalog

CVE-2026-48437

MEDIUM
5.5
CVSS v3
NVD

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.

How to fix

Remediation Available
c2paNVD
Affected:< 0.90.6Fixed in:0.90.6CVE-2026-48437derived from NVD
c2pa-webNVD
Affected:< 0.12.1Fixed in:0.12.1CVE-2026-48437derived from NVD
c2patoolNVD
Affected:< 0.27.6Fixed in:0.27.6CVE-2026-48437derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityHigh
AvailabilityNone

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

Exploit Intelligence

0.10%probability of exploitation in 30 days
1stpercentile

Low risk: more likely to be exploited than 1% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-295 (Improper Certificate Validation) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2015-4000Low3.7100%-Fix
CVE-2020-0601High8.189%KEVFix
CVE-2009-3555Critical9.887%-Fix
CVE-2022-26923High8.884%KEVFix
CVE-2023-27823Critical9.853%--
CVE-2022-42979High8.824%--

Common questions

How do I fix CVE-2026-48437?

Published advisories record a fix for 3 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2026-48437 being actively exploited?

Not that we know of. CVE-2026-48437 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.10% is the estimated probability that it will be exploited in the next 30 days. That is higher than 1% of all scored CVEs.

How severe is CVE-2026-48437?

CVE-2026-48437 has a CVSS v3 base score of 5.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-48437 affect?

Published advisories record a fix for c2pa (NVD), c2pa-web (NVD), c2patool (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-08-28.