How severe is CVE-2026-48438?

CVE-2026-48438 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-48438 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-48438?

CVE-2026-48438 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-2026-48438?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-48438 published?

CVE-2026-48438 was published on 2026-08-11 and last updated on 2026-08-14.

CVE-2026-48438

CVE-2026-48438 is a high-severity vulnerability in Adobe C2pa with a CVSS 3.x base score of 7.5. 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Adobe C2pa
Published: 2026-08-11
Last modified: 2026-08-14

Description

CAI Content Credentials is affected by a NULL Pointer Dereference 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-2026-48438?: CAI Content Credentials is affected by a NULL Pointer Dereference 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-2026-48438?: CVE-2026-48438 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-48438 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-48438?: CVE-2026-48438 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-2026-48438?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-48438 published?: CVE-2026-48438 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-2026-48352 — 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…
CVE-2026-34713 — High (CVSS 7.5): CAI Content Credentials versions [email protected], c2pa-v0.80.1 and earlier are affected by an Uncontrolled Resource…

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Other CWE-476 (NULL Pointer Dereference) vulnerabilities

CVE-2022-36648 — Critical (CVSS 10.0): The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier,…
CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-67870 — Critical (CVSS 9.8): In open62541 v1.5.5, the server-side AddReferences implementation contains an incomplete validation flaw for non-local…
CVE-2026-53399 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: nfsd: release layout stid on setlease…
CVE-2026-53355 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: net: rds: clear i_sends on setup unwind The RDS…

Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →