CVE-2026-37737

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Summary

CVECVE-2026-37737
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-05 15:16:51 UTC
Updated2026-06-05 16:07:55 UTC
Descriptionsanic-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.

Risk And Classification

Problem Types: n/a

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
pypi.org/project/Sanic-Cors [email protected] pypi.org
github.com/ashleysommer/sanic-cors [email protected] github.com
github.com/ashleysommer/sanic-cors/blob/master/sanic_cors/core.py [email protected] github.com
github.com/npbhatter17/security-advisories/blob/main/CVE-2026-37737-sani... [email protected] github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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