hs-web hsweb-framework OAuth2 Client OAuth2Client.java OAuth2Client redirect
CVE-2026-11477

5.3MEDIUM

Key Information:

Vendor

Hs-web

Status
Hsweb-framework
Vendor
CVE Published:
8 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-11477?

A vulnerability was detected in hs-web hsweb-framework up to 5.0.1. This affects the function OAuth2Client of the file hsweb-authorization/hsweb-authorization-oauth2/src/main/java/org/hswebframework/web/oauth2/server/OAuth2Client.java of the component OAuth2 Client. The manipulation results in open redirect. The attack can be executed remotely. The exploit is now public and may be used. The patch is identified as c2882679a9125cea52678151af5ae213cbd52579. Applying a patch is advised to resolve this issue.

Affected Version(s)

hsweb-framework 5.0.0

hsweb-framework 5.0.1

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-2026-11477 - Proof of Concept

References

https://vuldb.com/vuln/369097
vdb-entrytechnical-description
https://vuldb.com/vuln/369097/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-11477
third-party-advisory

CVSS V4

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

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

0Xrry (VulDB User)
.