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CVE-2026-48438· NVD / CVE Program· CNA adobe

CAI Content Credentials | NULL Pointer Dereference (CWE-476)

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.

HighCVSS 7.5 · v3.1—No exploit No fix recorded
Published
Aug 11, 2026
Updated
Aug 27, 2026
EPSS
0.9% · 58th percentile
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Report tools

JSON

Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.9%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · adobe
7.5
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
adobec2pa
adobec2pa-web
adobec2patool

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • adobe c2pabefore 0.90.6
  • adobe c2pa-webbefore 0.12.1
  • adobe c2patoolbefore 0.27.6

Versions reported by the vendor

Affected version ranges reported by the assigning authority (adobe). Independent of NVD's CPE analysis and usually ahead of it.

  • Adobe Content Credentials Command-Line Tool

    • c2patool-v0.27.6not affected
    • up to and including c2patool-v0.27.5affected

  • Adobe Content Credentials JS SDK

    • @contentauth/c2pa-web@0.12.1not affected
    • up to and including @contentauth/c2pa-web@0.12.0affected

  • Adobe Content Credentials Rust SDK

    • c2pa-v0.90.6not affected
    • up to and including c2pa-v0.90.5affected

Same product

adobe: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-48290CAI Content Credentials | Server-Side Request Forgery (SSRF) (CWE-918)
    32Monitor
  • CVE-2026-71443CAI Content Credentials | Improper Input Validation (CWE-20)
    30Monitor
  • CVE-2026-71442CAI Content Credentials | Integer Underflow (Wrap or Wraparound) (CWE-191)
    30Monitor
  • CVE-2026-71360CAI Content Credentials | Uncontrolled Resource Consumption (CWE-400)
    30Monitor
  • CVE-2026-48439CAI Content Credentials | Uncontrolled Resource Consumption (CWE-400)
    30Monitor
  • CVE-2026-48352CAI Content Credentials | Improper Input Validation (CWE-20)
    30Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-476 · NULL Pointer Dereference

CVSS vector

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

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records