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4 vulnerabilities by wakujs
CVE-2026-49456 (GCVE-0-2026-49456)
Vulnerability from nvd – Published: 2026-09-03 18:15 – Updated: 2026-09-03 18:29
VLAI
EPSS
VEX
Title
Waku: Open Redirect via `unstable_redirect` Helper
Summary
Waku is the minimal React framework. Prior to version 1.0.0-beta.1, the unstable_redirect() helper exported from waku/router/server (packages/waku/src/router/define-router.tsx:156–161) accepts an arbitrary string and reflects it unchanged into the HTTP Location response header with no URL validation, scheme restriction, or path-only enforcement. Any application that passes user-controlled input to this helper — the natural pattern documented in the JSDoc and official fixtures — is vulnerable to open redirect attacks. An attacker who convinces a victim to click a crafted link can silently redirect the browser to an arbitrary external domain, enabling phishing, credential harvesting, and OAuth token theft. Additionally, scheme-relative URLs (//evil.example/) bypass naive https?://-only allow-list filters that developers might add as ad-hoc mitigations. This issue has been patched in version 1.0.0-beta.1.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-03 18:28 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/wakujs/waku/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/wakujs/waku/pull/2090 | x_refsource_MISC |
| https://github.com/wakujs/waku/releases/tag/v1.0.… | x_refsource_MISC |
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CVE-2026-49455 (GCVE-0-2026-49455)
Vulnerability from nvd – Published: 2026-09-03 18:15 – Updated: 2026-09-03 18:34
VLAI
EPSS
VEX
Title
Waku: Cross-Origin CSRF on RSC Server Action Dispatch
Summary
Waku is the minimal React framework. Prior to version 1.0.0-beta.1, Waku's RSC request dispatcher invokes server actions without validating the request's Origin (or Sec-Fetch-Site) header. A cross-origin web attacker can therefore cause a victim browser to issue an authenticated POST to a registered server action endpoint using a CORS-safelisted content type (text/plain), which does not trigger a preflight. Any state-mutating server action that the application exposes via 'use server' can be invoked with the victim's cookies attached. This issue has been patched in version 1.0.0-beta.1.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-03 18:32 UTC
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/wakujs/waku/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/wakujs/waku/releases/tag/v1.0.… | x_refsource_MISC |
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CVE-2026-49456 (GCVE-0-2026-49456)
Vulnerability from cvelistv5 – Published: 2026-09-03 18:15 – Updated: 2026-09-03 18:29
VLAI
EPSS
VEX
Title
Waku: Open Redirect via `unstable_redirect` Helper
Summary
Waku is the minimal React framework. Prior to version 1.0.0-beta.1, the unstable_redirect() helper exported from waku/router/server (packages/waku/src/router/define-router.tsx:156–161) accepts an arbitrary string and reflects it unchanged into the HTTP Location response header with no URL validation, scheme restriction, or path-only enforcement. Any application that passes user-controlled input to this helper — the natural pattern documented in the JSDoc and official fixtures — is vulnerable to open redirect attacks. An attacker who convinces a victim to click a crafted link can silently redirect the browser to an arbitrary external domain, enabling phishing, credential harvesting, and OAuth token theft. Additionally, scheme-relative URLs (//evil.example/) bypass naive https?://-only allow-list filters that developers might add as ad-hoc mitigations. This issue has been patched in version 1.0.0-beta.1.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-03 18:28 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/wakujs/waku/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/wakujs/waku/pull/2090 | x_refsource_MISC |
| https://github.com/wakujs/waku/releases/tag/v1.0.… | x_refsource_MISC |
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CVE-2026-49455 (GCVE-0-2026-49455)
Vulnerability from cvelistv5 – Published: 2026-09-03 18:15 – Updated: 2026-09-03 18:34
VLAI
EPSS
VEX
Title
Waku: Cross-Origin CSRF on RSC Server Action Dispatch
Summary
Waku is the minimal React framework. Prior to version 1.0.0-beta.1, Waku's RSC request dispatcher invokes server actions without validating the request's Origin (or Sec-Fetch-Site) header. A cross-origin web attacker can therefore cause a victim browser to issue an authenticated POST to a registered server action endpoint using a CORS-safelisted content type (text/plain), which does not trigger a preflight. Any state-mutating server action that the application exposes via 'use server' can be invoked with the victim's cookies attached. This issue has been patched in version 1.0.0-beta.1.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-03 18:32 UTC
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/wakujs/waku/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/wakujs/waku/releases/tag/v1.0.… | x_refsource_MISC |
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