How severe is CVE-2026-25681?

CVE-2026-25681 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-25681 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-25681?

CVE-2026-25681 affects Golang Net. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-25681?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-25681 have an EU (EUVD) identifier?

Yes. CVE-2026-25681 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31452.

When was CVE-2026-25681 published?

CVE-2026-25681 was published on 2026-05-22 and last updated on 2026-06-17.

CVE-2026-25681

CVE-2026-25681 is a medium-severity vulnerability in Golang Net with a CVSS 3.x base score of 6.1. 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-1021.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31452
Weakness: CWE-1021
Affected product: Golang Net
Published: 2026-05-22
Last modified: 2026-06-17

Description

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.

Frequently asked questions

What is CVE-2026-25681?: Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.
How severe is CVE-2026-25681?: CVE-2026-25681 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-25681 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-25681?: CVE-2026-25681 affects Golang Net. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-25681?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-25681 have an EU (EUVD) identifier?: Yes. CVE-2026-25681 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31452.
When was CVE-2026-25681 published?: CVE-2026-25681 was published on 2026-05-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:golang:net:*:*:*:*:*:go:*:*

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