CVE-2026-25679 — Improper Validation of Syntactic Correctness of Input in Standard Library NET URL

CWE-1286 — Improper Validation of Syntactic Correctness of Input10 documents9 sources
Severity
7.5HIGHNVD
EPSS
0.0%
top 90.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
GO Standard Library NET URL
Timeline
PublishedMar 6
Latest updateMar 10

Description

url.Parse insufficiently validated the host/authority component and accepted some invalid URLs.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

▶CVEListV5go_standard_library/net_url1.26.0-0 — 1.26.1+1

🔴Vulnerability Details

4
GHSA
GHSA-j3gx-2473-5fp8: url↗2026-03-07
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OSV
CVE-2026-25679: url↗2026-03-06
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OSV
Incorrect parsing of IPv6 host literals in net/url↗2026-03-06
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CVEList
Incorrect parsing of IPv6 host literals in net/url↗2026-03-06
▶

📋Vendor Advisories

3
Microsoft
Incorrect parsing of IPv6 host literals in net/url↗2026-03-10
▶
Red Hat
net/url: Incorrect parsing of IPv6 host literals in net/url↗2026-03-06
▶
Debian
CVE-2026-25679: golang-1.15 - url.Parse insufficiently validated the host/authority component and accepted som...↗2026
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-25679 Impact, Exploitability, and Mitigation Steps | Wiz↗
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💬Community

1
Bugzilla
CVE-2026-25679 net/url: Incorrect parsing of IPv6 host literals in net/url↗2026-03-06
▶
CVE-2026-25679 — Standard Library NET URL vulnerability | cvebase