CVE-2026-91143High· 7.2▾ MidnightPoC availablegoproxy through 15.3 fails to apply HTTP proxy basic authentication to CONNECT tunnel requests, allowing unauthenticated clients to bypass credential requirements. Attackers can issue CONNECT requests to establish tunnels through the aut…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 39.6 · likelihood 0.1 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.3%
Exploit / PoC code exists
Last analysed / modified upstream
goproxy through 15.3 fails to apply HTTP proxy basic authentication to CONNECT tunnel requests, allowing unauthenticated clients to bypass credential requirements. Attackers can issue CONNECT requests to establish tunnels through the authenticated proxy without providing credentials, enabling arbitrary TCP traffic relay and access to restricted destinations.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-82269High· 8.1Gophish through 0.12.1 fails to enforce account lockout and password change requirements in the API authentication middleware
CVE-2026-58269High· 8.1Sync-in Server is an open-source platform for file storage, sharing, collaboration, and syncing
CVE-2026-75627Critical· 9.8Bastillion fails to properly validate request URI paths in its controller dispatcher, allowing unauthenticated attackers to bypass authentication filters by prefixing requests with arbitrary path segments
CVE-2026-57134High· 8.2PraisonAI is a multi-agent teams system
CVE-2026-19490Critical· 9.8Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.
CVE-2026-88861High· 8.3Capgo (Cap-go/capgo.app) contains an authentication bypass affecting all versions (no patched version available at time of publication)