‹ Back to list

CVE-2026-100116

Status: AnalyzedMedium (5.9)—
Severity5.9Medium · CVSS 3.1
Exploitation probability0.24 %higher than 15% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

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. Exploit depends on conditions beyond the attacker's control. Exploitation of this issue does not require user interaction.

CVSS

Base score
5.9
Version
3.1
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.24 %
Percentile among all scored CVEs
15
Score date
10/20/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

Vector AV:N/PR:N/UI:N indica explotación remota sin privilegios; CWE-295 (validación de certificados) sugiere intermediación, y la descripción menciona bypass y acceso de escritura no autorizado.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Network SegmentationLimit Access to Resource Over NetworkFilter Network TrafficEncrypt Sensitive InformationVulnerability ScanningUser Training

Affected technologies (3)

Adobe — C2paAdobe — C2pa-webAdobe — C2patool

CWEs

References

Show 1 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-100116",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-100116",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-14T16:11:40.256465Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@adobe.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@adobe.com",
      "affectedData": [
        {
          "vendor": "Adobe",
          "product": "Content Credentials Rust SDK",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "c2pa-v0.90.15"
            },
            {
              "status": "unaffected",
              "version": "c2pa-v0.91.1",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Adobe",
          "product": "C2PA Tool",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "c2patool-v0.27.15"
            },
            {
              "status": "unaffected",
              "version": "v0.28.1",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Adobe",
          "product": "Content Credentials JS SDK",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "@contentauth/c2pa-web@0.13.4"
            },
            {
              "status": "unaffected",
              "version": "@contentauth/c2pa-web@0.15.3",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-10-13T22:17:10.533",
  "references": [
    {
      "url": "https://www.adobe.com/trust/security/products/content-credentials-sdk/apsb26-163.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@adobe.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@adobe.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "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. Exploit depends on conditions beyond the attacker's control. Exploitation of this issue does not require user interaction."
    }
  ],
  "lastModified": "2026-10-15T18:42:34.703",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:adobe:c2pa:*:*:*:*:*:rust:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8A2F7300-DE4A-4D6D-8249-82DF7E783C8F",
              "versionEndExcluding": "0.91.1"
            },
            {
              "criteria": "cpe:2.3:a:adobe:c2pa-web:*:*:*:*:*:node.js:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E6950BAC-98E6-4B41-A4CB-D8EF54AD7866",
              "versionEndExcluding": "0.15.3"
            },
            {
              "criteria": "cpe:2.3:a:adobe:c2patool:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "874FDC5D-2A5E-40A8-B7E8-EF248F42F7FF",
              "versionEndExcluding": "0.28.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@adobe.com"
}