CVE-2026-25679

Incorrect parsing of IPv6 host literals in net/url

HIGH

7.5

CVSS Score

Published: March 6, 2026 at 09:28 PM UTC

Updated: September 18, 2026 at 01:17 PM UTC

37 products affected across 3 vendorsGoEnterprise LinuxOpenShift Container Platform

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Severity

HIGH7.5

Exploit prediction

EPSS 0.8%

SSVC

No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Go · Golang

95%

v < 1.25.81.26.0

Affected range stops below 1.25.8, so it looks safe — our inference, not a vendor statement

Net/url · Go Standard Librarygo

60%

v < 1.25.81.26.0-0 ≤ v < 1.26.11.26.0-0

Affected range stops below 1.25.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.26.1, so it looks safe — our inference, not a vendor statement

3SCALE API Management Platform · Red Hatrpm

60%

Assisted Installer · Red Hatrpm

60%

cert-manager Operator for Red Hat OpenShift · Red Hatcontainer

60%

All versions

Certification for Red Hat Enterprise Linux · Red Hatrpm

60%

Confidential Compute Attestation · Red Hatrpm

60%

All versions

Connectivity Link · Red Hatcontainer

60%

Deployment Validation Operator · Red Hat

60%

All versions

Enterprise Linux · Red Hatrpm

60%

Vendor states this is fixed in 0:0.11-1.el7_9 (unaffected)

Vendor states this is fixed in 0:0.144.0-2.el10_0 (unaffected)

Vendor states this is fixed in 0:0.144.0-2.el10_2 (unaffected)

Vendor states this is fixed in 0:0.144.0-2.el9_4 (unaffected)

Vendor states this is fixed in 0:0.144.0-2.el9_6 (unaffected)

Vendor states this is fixed in 0:0.144.0-2.el9_8 (unaffected)

Vendor states this is fixed in 0:0.2.3-4.el10_0 (unaffected)

Vendor states this is fixed in 0:0.2.3-4.el10_1 (unaffected)

Vendor states this is fixed in 0:0.2.3-5.el10_0 (unaffected)

Vendor states this is fixed in 0:0.2.3-5.el10_1 (unaffected)

Vendor states this is fixed in 0:0.2.3-6.el10_2 (unaffected)

Vendor states this is fixed in 0:0.2.7-3.el10_2 (unaffected)

Vendor states this is fixed in 0:0.4.7-3.el10_0 (unaffected)

Vendor states this is fixed in 0:0.4.8-4.el10_1 (unaffected)

Vendor states this is fixed in 0:0.4.9-4.el10_2 (unaffected)

Vendor states this is fixed in 0:0.9.27-3.el10_0.3 (unaffected)

Vendor states this is fixed in 0:0.9.27-5.el10_1.1 (unaffected)

Vendor states this is fixed in 0:0.9.27-6.el10_2 (unaffected)

Vendor states this is fixed in 0:1.17.13-11.el9_0 (unaffected)

Vendor states this is fixed in 0:1.19.13-24.el9_2 (unaffected)

Vendor states this is fixed in 0:1.21.13-15.el9_4 (unaffected)

Vendor states this is fixed in 0:1.25.2-3.el10_0 (unaffected)

Vendor states this is fixed in 0:1.25.2-3.el10_1 (unaffected)

Vendor states this is fixed in 0:1.25.8-1.el10_0 (unaffected)

Vendor states this is fixed in 0:1.25.8-1.el10_1 (unaffected)

Vendor states this is fixed in 0:1.25.8-1.el9_6 (unaffected)

Vendor states this is fixed in 0:1.25.8-1.el9_7 (unaffected)

Vendor states this is fixed in 0:1.26.2-1.el9_8 (unaffected)

Vendor states this is fixed in 0:1.26.2-2.el10_2 (unaffected)

Vendor states this is fixed in 0:10.2.6-19.el9_6 (unaffected)

Vendor states this is fixed in 0:10.2.6-19.el9_7 (unaffected)

Vendor states this is fixed in 0:10.2.6-21.el9_8 (unaffected)

Vendor states this is fixed in 0:10.2.6-22.el10_0 (unaffected)

Vendor states this is fixed in 0:10.2.6-23.el10_1 (unaffected)

Vendor states this is fixed in 0:10.2.6-25.el10_2 (unaffected)

Vendor states this is fixed in 0:101.3-4.el9_4.1 (unaffected)

Vendor states this is fixed in 0:101.4-5.el8_10 (unaffected)

Vendor states this is fixed in 0:132.2-6.el9_6 (unaffected)

Vendor states this is fixed in 0:134.1-7.el10_0 (unaffected)

Vendor states this is fixed in 0:149-5.el9_7 (unaffected)

Vendor states this is fixed in 0:149-6.el10_1 (unaffected)

Vendor states this is fixed in 0:165.1-2.el10_2 (unaffected)

Vendor states this is fixed in 0:165.1-2.el9_8 (unaffected)

Vendor states this is fixed in 0:2.13.3-3.el8_4.5 (unaffected)

Vendor states this is fixed in 0:2.13.3-3.el8_6.7 (unaffected)

Vendor states this is fixed in 0:2.13.3-5.el9_0.7 (unaffected)

Vendor states this is fixed in 0:28.7-6.el8_4 (unaffected)

Vendor states this is fixed in 0:3.0.2-4.el8_4 (unaffected)

Vendor states this is fixed in 0:3.2.0-2.el8_8.7 (unaffected)

Vendor states this is fixed in 0:3.2.0-2.el9_2.6 (unaffected)

Vendor states this is fixed in 0:3.2.0-4.el8_6 (unaffected)

Vendor states this is fixed in 0:3.2.0-6.el8_8 (unaffected)

Vendor states this is fixed in 0:3.2.0-6.el9_0 (unaffected)

Vendor states this is fixed in 0:3.4.1-10.el8_10 (unaffected)

Vendor states this is fixed in 0:3.4.1-4.el9_4.5 (unaffected)

Vendor states this is fixed in 0:3.6.0-13.el9_6 (unaffected)

Vendor states this is fixed in 0:3.6.0-14.el9_7 (unaffected)

Vendor states this is fixed in 0:3.6.0-6.el10_0 (unaffected)

Vendor states this is fixed in 0:3.6.0-8.el10_1 (unaffected)

Vendor states this is fixed in 0:3.6.1-2.el10_0.3 (unaffected)

Vendor states this is fixed in 0:3.6.1-2.el9_6.3 (unaffected)

Vendor states this is fixed in 0:3.6.1-8.el10_1 (unaffected)

Vendor states this is fixed in 0:3.6.1-8.el9_7 (unaffected)

Vendor states this is fixed in 0:3.7.1-4.el10_2 (unaffected)

Vendor states this is fixed in 0:3.7.1-4.el9_8 (unaffected)

Vendor states this is fixed in 0:31-4.el9_7 (unaffected)

Vendor states this is fixed in 0:31-5.el10_1 (unaffected)

Vendor states this is fixed in 0:46.3-7.el8_6 (unaffected)

Vendor states this is fixed in 0:5.1.1-13.el8_10 (unaffected)

Vendor states this is fixed in 0:5.1.1-13.el9_6 (unaffected)

Vendor states this is fixed in 0:5.1.1-13.el9_7 (unaffected)

Vendor states this is fixed in 0:5.1.1-14.el9_8 (unaffected)

Vendor states this is fixed in 0:5.1.1-5.el9_2 (unaffected)

Vendor states this is fixed in 0:5.1.1-7.el9_4 (unaffected)

Vendor states this is fixed in 0:5.2.2-5.el10_0 (unaffected)

Vendor states this is fixed in 0:5.3.0-3.el10_1 (unaffected)

Vendor states this is fixed in 0:5.3.0-4.el10_2 (unaffected)

Vendor states this is fixed in 0:52.1-1.el10_2 (unaffected)

Vendor states this is fixed in 0:52.1-1.el9_8 (unaffected)

Vendor states this is fixed in 0:6.3.6-11.el8_2 (unaffected)

Vendor states this is fixed in 0:7.3.6-13.el8_4 (unaffected)

Vendor states this is fixed in 0:7.5.11-10.el8_6 (unaffected)

Vendor states this is fixed in 0:7.5.11-14.el9_0 (unaffected)

Vendor states this is fixed in 0:7.5.15-10.el8_8 (unaffected)

Vendor states this is fixed in 0:75-9.el8_8 (unaffected)

Vendor states this is fixed in 0:76.1-6.el9_2 (unaffected)

Vendor states this is fixed in 0:9.0.9-11.el9_2 (unaffected)

Vendor states this is fixed in 0:9.2.10-26.el9_4 (unaffected)

Vendor states this is fixed in 0:9.2.10-29.el8_10 (unaffected)

Vendor states this is fixed in 10 (unaffected)

Vendor states this is fixed in 1:0.2.0-6.el8_4 (unaffected)

Vendor states this is fixed in 1:0.2.1-13.el9_0 (unaffected)

Vendor states this is fixed in 1:0.2.1-14.el8_6 (unaffected)

Vendor states this is fixed in 1:0.2.2-1.el8_8.2 (unaffected)

Vendor states this is fixed in 1:0.2.2-1.el9_2.2 (unaffected)

Vendor states this is fixed in 1:0.2.4-5.el7_9 (unaffected)

Vendor states this is fixed in 1:0.2.4-7.el9_4 (unaffected)

Vendor states this is fixed in 1:0.2.5-5.el8_10 (unaffected)

Vendor states this is fixed in 1:0.2.7-1.el9_6.2 (unaffected)

Vendor states this is fixed in 1:0.2.7-3.el9_7 (unaffected)

Vendor states this is fixed in 1:0.2.7-5.el9_8 (unaffected)

Vendor states this is fixed in 1:0.3.2-3.el10_0 (unaffected)

Vendor states this is fixed in 1:0.3.4-3.el10_1 (unaffected)

Vendor states this is fixed in 1:0.3.8-3.el10_2 (unaffected)

Vendor states this is fixed in 1:1.2.0-3.el9_2.3 (unaffected)

Vendor states this is fixed in 1:1.26.11-1.el9_0 (unaffected)

Vendor states this is fixed in 1:1.29.7-1.el9_2.5 (unaffected)

Vendor states this is fixed in 1:1.4.0-6.el9_4.3 (unaffected)

Vendor states this is fixed in 1:1.6.2-3.el9_6 (unaffected)

Vendor states this is fixed in 1:1.9.0-3.el9_8 (unaffected)

Vendor states this is fixed in 2:1.11.4-0.1.el9_2.6 (unaffected)

Vendor states this is fixed in 2:1.14.5-2.el9_4.4 (unaffected)

Vendor states this is fixed in 2:1.18.1-3.el10_0.1 (unaffected)

Vendor states this is fixed in 2:1.18.1-5.el9_6 (unaffected)

Vendor states this is fixed in 2:1.22.2-1.el10_2 (unaffected)

Vendor states this is fixed in 2:1.22.2-2.el10_2 (unaffected)

Vendor states this is fixed in 2:1.22.2-7.el9_8 (unaffected)

Vendor states this is fixed in 2:1.33.13-3.el9_4.1 (unaffected)

Vendor states this is fixed in 2:1.39.6-2.el9_6 (unaffected)

Vendor states this is fixed in 2:1.39.8-1.el10_0 (unaffected)

Vendor states this is fixed in 2:1.43.1-1.el10_2 (unaffected)

Vendor states this is fixed in 2:1.43.1-2.el10_2 (unaffected)

Vendor states this is fixed in 2:1.43.1-2.el9_8 (unaffected)

Vendor states this is fixed in 2:4.4.1-22.el9_2.11 (unaffected)

Vendor states this is fixed in 4:1.2.9-1.el9_2.2 (unaffected)

Vendor states this is fixed in 4:1.2.9-1.el9_4.1 (unaffected)

Vendor states this is fixed in 4:1.2.9-3.el9_6 (unaffected)

Vendor states this is fixed in 4:1.4.2-2.el9_8 (unaffected)

Vendor states this is fixed in 4:4.9.4-20.el9_4.2 (unaffected)

Vendor states this is fixed in 5:5.4.0-20.el9_6.3 (unaffected)

Vendor states this is fixed in 6:0.7.3-5.el9_4.3 (unaffected)

Vendor states this is fixed in 6:0.8.5-2.el10_0.1 (unaffected)

Vendor states this is fixed in 6:0.8.5-2.el9_6.1 (unaffected)

Vendor states this is fixed in 6:5.4.0-15.el10_0.1 (unaffected)

Vendor states this is fixed in 6:5.8.2-2.el9_8 (unaffected)

Vendor states this is fixed in 7 (unaffected)

Vendor states this is fixed in 7:5.8.2-1.el10_2 (unaffected)

Vendor states this is fixed in 7:5.8.2-2.el10_2 (unaffected)

Vendor states this is fixed in 8020020260408140623.02f7cb7a (unaffected)

Vendor states this is fixed in 8040020260408080443.5081a262 (unaffected)

Vendor states this is fixed in 8060020260409063558.97d7f71f (unaffected)

Vendor states this is fixed in 8060020260515174849.ad008a3a (unaffected)

Vendor states this is fixed in 8060020260803064027.ad008a3a (unaffected)

Vendor states this is fixed in 8080020260331223648.6b4b45d8 (unaffected)

Vendor states this is fixed in 8080020260721142025.63b34585 (unaffected)

Vendor states this is fixed in 8100020260402232122.a3795dee (unaffected)

Vendor states this is fixed in 8100020260520103055.afee755d (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://pkg.go.dev/vuln/GO-2026-4601

References (261)

Mailing List

Source: cverecord

https://go.dev/cl/752180

Issue Tracking

Source: cverecord

https://go.dev/issue/77578

Release Notes

Source: cverecord

https://groups.google.com/g/golang-announce/c/EdhZqrQ98hk

Vendor Advisory

Source: cverecord

https://pkg.go.dev/vuln/GO-2026-4601

Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

https://access.redhat.com/errata/RHSA-2026:10065

Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

https://access.redhat.com/errata/RHSA-2026:10125

Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

https://access.redhat.com/errata/RHSA-2026:10133

Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

https://access.redhat.com/errata/RHSA-2026:10140

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-425CWE-1286

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