CVE-2026-54599
7.5
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Summary
Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.9.4, login.php generates an OIDC state nonce stored in $_SESSION['oidc_state'], but checksession.php dispatches the OIDC callback without comparing the incoming state against the session value. An attacker can trick a victim into visiting a crafted URL, causing Wallos to exchange the attacker's authorization code and log the victim into the attacker's account. This issue has been patched in version 4.9.4.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| ellite | Wallos | < 4.9.4 | affected |
Weaknesses
- CWE-352: CWE-352: Cross-Site Request Forgery (CSRF)
References
- https://github.com/ellite/Wallos/security/advisories/GHSA-gr2w-m9v4-qm3v
- https://github.com/ellite/Wallos/releases/tag/v4.9.4
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