Speakr is a personal, self-hosted web application designed for transcribing audio recordings. Prior to 0.8.20-alpha, the is_safe_url() helper used to validate post-login redirect targets applied urljoin(request.host_url, target) before parsing, while the controller passed the raw target to redirect(). A scheme-relative input such as ////evil.com resolved to a same-host URL during validation but was emitted verbatim in the Location header, where the browser interpreted it as a network-path-relative redirect to an attacker-controlled host. This vulnerability is fixed in 0.8.20-alpha.
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History
Thu, 28 May 2026 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Speakr is a personal, self-hosted web application designed for transcribing audio recordings. Prior to 0.8.20-alpha, the is_safe_url() helper used to validate post-login redirect targets applied urljoin(request.host_url, target) before parsing, while the controller passed the raw target to redirect(). A scheme-relative input such as ////evil.com resolved to a same-host URL during validation but was emitted verbatim in the Location header, where the browser interpreted it as a network-path-relative redirect to an attacker-controlled host. This vulnerability is fixed in 0.8.20-alpha. | |
| Title | Speakr: Open redirect in is_safe_url via parser mismatch on next parameter | |
| Weaknesses | CWE-601 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-05-28T19:31:28.226Z
Reserved: 2026-05-11T20:14:43.203Z
Link: CVE-2026-45307
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Status : Received
Published: 2026-05-28T18:16:34.907
Modified: 2026-05-28T18:16:34.907
Link: CVE-2026-45307
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OpenCVE Enrichment
Updated: 2026-05-28T19:30:16Z
Weaknesses