7.5

CVE-2026-25679: Incorrect parsing of IPv6 host literals in net/url

Modified
AliasesRHSA-2026:10133RHSA-2026:10701RHSA-2026:10712
Published 06-03-2026Last modified 18-09-2026

Vulnerability summary

CVE-2026-25679 is a high (CVSS 7.5) Direct Request vulnerability in go standard library net/url. EPSS estimates a 0.83% chance of exploitation in the next 30 days, higher than 57.5% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.83%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 126 · Related 125
MGASA-2026-0143MGASA-2026-0147OPENSUSE-SU-2026:10299-1OPENSUSE-SU-2026:10310-1OPENSUSE-SU-2026:20342-1OPENSUSE-SU-2026:20496-1

Showing 100 of 127.

Timeline

  1. 06-03-2026
    PublishedVulnerability first disclosed.
  2. 18-09-2026
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

8 scores · 8 sources · 1 version

EPSS trend

Probability

0.83%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

Decrease -0.01 pp

From 0.83% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard198 products
  • actions-runner-controller< 0.13.1-r4
  • actions-runner-controller-fips< 0.13.1-r6
  • addon-resizer< 1.8.23-r14
  • addon-resizer-fips< 1.8.23-r16
  • ageAll versions (No fix recorded)
Alpine2 products
  • go< 1.25.8-r0
  • rclone< 1.73.5-r0

2 vendors · 200 products · Showing 200 of 3723

References

352 links
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