Missing Authentication Flaw in OpenHands Landing Page Component
CVE-2026-122236

5.3MEDIUM

Key Information:

Vendor

OpenHands

Status
Openhands
Vendor
CVE Published:
5 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-122236?

A vulnerability in OpenHands prior to version 1.25.0 exposes a missing authentication issue within the Landing Page component. This flaw can be exploited by an attacker from the local network, potentially leading to unauthorized access. It is crucial for users to upgrade to version 1.25.0 where the issue has been addressed with specific patches. Ignoring this update may leave systems vulnerable to exploitation.

Affected Version(s)

OpenHands 1.0

OpenHands 1.1

OpenHands 1.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-122236 - Proof of Concept

References

https://vuldb.com/vuln/431199
vdb-entry
https://vuldb.com/vuln/431199/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-122236
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

PoriaMs (VulDB User)
.