sanic-cors contains an improper regular expression in the try_match() function
sanic-cors version 2.2.0 and prior contains an improper regular expression in the try_match() function in sanic_cors/core.py that uses re.match without end-anchoring. This allows an attacker to bypass CORS origin allowlists by registering a domain that begins with a trusted origin string, to gain unauthorized access to cross-origin requests for authenticated resources.
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beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-37737US | — | — | ||
sanic-cors version 2.2.0 and prior contains an improper regular expression in the try_match() function in sanic_cors/core.py that uses re.match without end-anchoring. This allows a… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/ashleysommer/sanic-corsPACKAGE
- https://github.com/ashleysommer/sanic-cors/blob/master/sanic_cors/core.pyWEB
- https://github.com/npbhatter17/security-advisories/blob/main/CVE-2026-37737-sanic-cors-advisory.mdWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-37737ADVISORY
- https://pypi.org/project/Sanic-CorsWEB
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