CVE-2026-11477 hs-web hsweb-framework OAuth2 Client OAuth2Client.java OAuth2Client redirect
Attackers can exploit an open redirect in the OAuth2 client to bypass security controls, requiring a patch for the hsweb-framework library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-11477?
CVE-2026-11477 is a medium-severity vulnerability in hs-web hsweb-framework, published on 8 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-601
Which versions are affected by CVE-2026-11477?
2 open source packages ship an affected version, including org.hswebframework.web:hsweb-authorization-oauth2.
| Package | Affected | Fixed in |
|---|---|---|
org.hswebframework.web:hsweb-authorization-oauth2 Maven | All versions to 5.0.1 | None |
org.hswebframework.web:hsweb-authorization-oauth2 Maven | All versions to 5.0.1 | None |
How do I fix CVE-2026-11477?
No fix has been published for CVE-2026-11477 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-11477 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-11477 exists.
Sources
Also known as GHSA-fxr3-gvm4-m8vc.