Vulnerability record/PUBLISHED/Published Nov 13, 2026 17:49:43 UTC
CVE-2026-124723
Interpretation Conflict, leading to Incorrect Authorization vulnerability in Apache APISIX. With match_uri_encoded_slash enabled and skip_mtls_uri_regex configured, a client without a certificate can reach an upstream behind a route that requires one, limited to request paths that decode to an exempted URI. This issue affects Apache APISIX: from 3.18.0 through 3.19.0. Users are recommended to upgrade to version 3.20.0, which fixes the issue.
Base score6.3/ 10
SeverityMediumCVSS 4.0
Exploitability / impact
CVSS metric breakdown
Base severityMedium
Attack vectorNetworkAV
Attack complexityLowAC
Attack requirementsPresentAT
Privileges requiredNonePR
User interactionNoneUI
Vulnerable system confidentialityNoneVC
Vulnerable system integrityNoneVI
Vulnerable system availabilityNoneVA
Subsequent system confidentialityLowSC
Subsequent system integrityLowSI
Subsequent system availabilityNoneSA
CVSS vector string
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:NCVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.
Record context
CVE Numbering Authorityapache
Last updatedNov 13, 2026 23:05:04 UTC
PublishedNov 13, 2026 17:49:43 UTC
ReservedNov 9, 2026 11:03:38 UTC
Credits
- hataehoon
- shreemaan-abhishek
- shreemaan-abhishek