How severe is CVE-2026-25679?

CVE-2026-25679 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-25679 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-25679?

CVE-2026-25679 primarily affects Golang Go. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-25679?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-25679 have an EU (EUVD) identifier?

Yes. CVE-2026-25679 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10084.

When was CVE-2026-25679 published?

CVE-2026-25679 was published on 2026-03-06 and last updated on 2026-07-07.

CVE-2026-25679

CVE-2026-25679 is a high-severity vulnerability in Golang Go with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-425.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10084
Weakness: CWE-425
Affected product: Golang Go
Published: 2026-03-06
Last modified: 2026-07-07

Description

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

Frequently asked questions

What is CVE-2026-25679?: url.Parse insufficiently validated the host/authority component and accepted some invalid URLs.
How severe is CVE-2026-25679?: CVE-2026-25679 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-25679 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-25679?: CVE-2026-25679 primarily affects Golang Go. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-25679?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-25679 have an EU (EUVD) identifier?: Yes. CVE-2026-25679 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10084.
When was CVE-2026-25679 published?: CVE-2026-25679 was published on 2026-03-06 and last updated on 2026-07-07.

References

Affected products (2)

cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
cpe:2.3:a:golang:go:1.26.0:*:*:*:*:*:*:*

More vulnerabilities in Golang Go

CVE-2025-68121 — Critical (CVSS 10.0): During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between…
CVE-2026-27143 — Critical (CVSS 9.8): Arithmetic over induction variables in loops were not correctly checked for underflow or overflow. As a result, the…
CVE-2024-24790 — Critical (CVSS 9.8): The various Is methods (IsPrivate, IsLoopback, etc) did not work as expected for IPv4-mapped IPv6 addresses, returning…
CVE-2023-39320 — Critical (CVSS 9.8): The go.mod toolchain directive, introduced in Go 1.21, can be leveraged to execute scripts and binaries relative to the…
CVE-2023-29405 — Critical (CVSS 9.8): The go command may execute arbitrary code at build time when using cgo. This may occur when running "go get" on a…
CVE-2023-29404 — Critical (CVSS 9.8): The go command may execute arbitrary code at build time when using cgo. This may occur when running "go get" on a…

All CVEs affecting Golang Go →

Other CWE-425 vulnerabilities

CVE-2025-26689 — Critical (CVSS 9.8): Direct request ('Forced Browsing') issue exists in CHOCO TEI WATCHER mini (IB-MCT001) all versions. If a remote…
CVE-2024-0204 — Critical (CVSS 9.8): Authentication bypass in Fortra's GoAnywhere MFT prior to 7.4.1 allows an unauthorized user to create an admin user via…
CVE-2022-45276 — Critical (CVSS 9.8): An issue in the /index/user/user_edit.html component of YJCMS v1.0.9 allows unauthenticated attackers to obtain the…
CVE-2022-26279 — Critical (CVSS 9.8): EyouCMS v1.5.5 was discovered to have no access control in the component /data/sqldata.
CVE-2021-36560 — Critical (CVSS 9.8): Phone Shop Sales Managements System using PHP with Source Code 1.0 is vulnerable to authentication bypass which leads…
CVE-2021-36745 — Critical (CVSS 9.8): A vulnerability in Trend Micro ServerProtect for Storage 6.0, ServerProtect for EMC Celerra 5.8, ServerProtect for…

Browse all CWE-425 vulnerabilities →