{"id":"CVE-2026-122100","aliases":["EUVD-2026-122955","GHSA-4gfx-rh9r-2w36"],"status":"published","title":"CAI Content Credentials | Improper Verification of Cryptographic Signature (CWE-347)","description":"CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature 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.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00261,"percentile":0.18104,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347"],"published":"2026-11-10T21:19:46Z","modified":"2026-11-12T19:12:11Z","products":[{"vendor":"adobe","product":"c2pa tool"},{"vendor":"adobe","product":"content credentials rust sdk"}],"references":[{"url":"https://www.adobe.com/trust/security/products/content-credentials-sdk/apsb26-184.html","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122100"},{"url":"https://github.com/advisories/GHSA-4gfx-rh9r-2w36"}],"sources":{"cve":[{"id":"CVE-2026-122100","title":"CAI Content Credentials | Improper Verification of Cryptographic Signature (CWE-347)","description":"CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature 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.","status":"published","published":"2026-11-10T21:19:46.647Z","modified":"2026-11-12T19:12:11.214Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-347"],"updated_at":"2026-11-10T22:48:50.794181Z"}],"euvd":[{"id":"EUVD-2026-122955","description":"CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature 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.","status":"published","published":"2026-11-10T21:19:46Z","modified":"2026-11-12T19:12:11Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-12T20:34:56.908151Z"}],"ghsa":[{"id":"GHSA-4gfx-rh9r-2w36","title":"CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature...","description":"CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature 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.","status":"published","published":"2026-11-11T00:32:30Z","modified":"2026-11-11T00:32:37Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-347"],"updated_at":"2026-11-11T01:00:11.587585Z"}],"nvd":[{"id":"CVE-2026-122100","description":"CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature 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.","status":"published","published":"2026-11-10T22:18:28.463Z","modified":"2026-11-12T20:18:20.797Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-347"],"updated_at":"2026-11-12T21:32:44.319228Z"}]}}