Search/CVE-2025-22870
● CVE — Medium

CVE-2025-22870

DiscoveredMar 12, 2025UpdatedApr 16, 2026

Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. For example, when the NO_PROXY environment variable is set to "*.example.com", a request to "[::1%25.example.com]:80` will incorrectly match and not be proxied.

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CVSS v3.1
4.4 MEDIUM
EPSS
0.43%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 22, 2026
▲ 0.02pp
0.40% → 0.43% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityLOW
IntegrityNONE
AvailabilityLOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Connections
1 relationships
Timeline
disclosure → media coverage
Mar 12, 2025
Disclosure — published as a CVE record. · last revised by NVD Apr 16, 2026
Public PoC (1)
github.com/JoshuaProvoste/CVE-2025-22870
Unverified third-party code — review before executing.