CVE detail
CVE-2026-37737
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.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 16.1 · diversity 10.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
4 source links · newest first
No excerpt available.
Third Party Advisorypypi.orgJun 5, 2026, 3:16 PM- https://github.com/npbhatter17/security-advisories/blob/main/CVE-2026-37737-sanic-cors-advisory.mdgithub.com
No excerpt available.
Exploitgithub.comJun 5, 2026, 3:16 PM No excerpt available.
Exploitgithub.comJun 5, 2026, 3:16 PMNo excerpt available.
Exploitgithub.comJun 5, 2026, 3:16 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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