Mondoo

Vulnerability Management
Technology
Services

Solutions

Financial Services
Manufacturing
Healthcare

Resources

Blog
Vulnerability Database
Documentation
GitHub

Company

About
Careers
Partners
Contact

Legal

Privacy
Terms
Imprint

Vulnerability IntelligenceCVE-2026-34515

CVE-2026-34515

HIGH7.5

AIOHTTP: UNC SSRF/NTLMv2 Credential Theft/Local File Read in static resource handler on Windows

Published Apr 1, 2026

Modified 3 weeks ago

Details

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, on Windows the static resource handler may expose information about a NTLMv2 remote path. This issue has been patched in version 3.13.4.

References

WEB

https://github.com/aio-libs/aiohttp/commit/0ae2aa076c84573df83fc1fdc39eec0f5862fe3d

WEB

https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4

WEB

https://github.com/aio-libs/aiohttp/security/advisories/GHSA-p998-jp59-783m

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-34515

CVSS Analysis

CVSS v4.0

6.6

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Attack Requirements

NoneAT:N

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Vulnerable System

Vuln. Confidentiality

HighVC:H

Vuln. Integrity

NoneVI:N

Vuln. Availability

NoneVA:N

Subsequent System

Subseq. Confidentiality

NoneSC:N

Subseq. Integrity

NoneSI:N

Subseq. Availability

NoneSA:N

6.6/CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U

Weakness Type (CWE)

Input Validation

CWE-36

Absolute Path Traversal

CWE-918

Server-Side Request Forgery (SSRF)

Ecosystems

Timeline

PublishedApr 1, 2026

ModifiedApr 2, 2026

CVE-2026-34515 | Mondoo Vulnerability Intelligence