# CVE-2026-122099: CAI Content Credentials | Incorrect Authorization (CWE-863)

Status: published. Published: 2026-11-10. Updated: 2026-11-12.

CAI Content Credentials is affected by an Incorrect Authorization vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized limited write access. Exploit depends on conditions beyond the attacker's control. Exploitation of this issue does not require user interaction.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Adobe / Content Credentials Rust SDK: ≥ 0; ≤ c2pa-v0.91.10 (affected, custom); c2pa-v0.91.11 (unaffected, custom). Source: CNA: adobe
- Adobe / C2PA Tool: ≥ 0; ≤ c2patool-v0.28.5 (affected, custom); c2patool-v0.28.6 (unaffected, custom). Source: CNA: adobe

## Severity and prioritization

- CVSS 3.1: 2.9 (low); CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N; source: CNA: adobe

- CVSS 3.1: 2.9 (low); CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N; source: NVD: psirt@adobe.com

- CISA KEV: No listing in collected sources

- EPSS: 0.22% as of 2026-11-12; percentile 12.23%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-863

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.adobe.com/trust/security/products/content-credentials-sdk/apsb26-184.html (CNA: adobe; vendor-advisory)

- https://www.adobe.com/trust/security/products/content-credentials-sdk/apsb26-184.html (psirt@adobe.com)

## Provenance

- CNA: adobe: https://www.cve.org/CVERecord?id=CVE-2026-122099; retrieved 2026-11-12; source updated 2026-11-12

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-122099; retrieved 2026-11-11; source updated 2026-11-10

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-122099; retrieved 2026-11-12; source updated Not reported

Revision: c912c74c0afe2e3d17bf1c839e33a64137c7483d07b4ee4b13d6c2e04db310f8

Canonical: https://y2.dev/cve/CVE-2026-122099

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.