How severe is CVE-2026-26276?

CVE-2026-26276 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-26276 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-2026-26276?

CVE-2026-26276 affects Gogs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-26276?

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-2026-26276 have an EU (EUVD) identifier?

Yes. CVE-2026-26276 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9855.

When was CVE-2026-26276 published?

CVE-2026-26276 was published on 2026-03-05 and last updated on 2026-06-17.

CVE-2026-26276

CVE-2026-26276 is a high-severity vulnerability in Gogs with a CVSS 3.x base score of 7.3. 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-79.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9855
Weakness: CWE-79
Affected product: Gogs
Published: 2026-03-05
Last modified: 2026-06-17

Description

Gogs is an open source self-hosted Git service. Prior to version 0.14.2, an attacker can store an HTML/JavaScript payload in a repository’s Milestone name, and when another user selects that Milestone on the New Issue page (/issues/new), a DOM-Based XSS is triggered. This issue has been patched in version 0.14.2.

Frequently asked questions

What is CVE-2026-26276?: Gogs is an open source self-hosted Git service. Prior to version 0.14.2, an attacker can store an HTML/JavaScript payload in a repository’s Milestone name, and when another user selects that Milestone on the New Issue page (/issues/new), a DOM-Based XSS is triggered. This issue has been patched in version 0.14.2.
How severe is CVE-2026-26276?: CVE-2026-26276 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-26276 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-2026-26276?: CVE-2026-26276 affects Gogs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-26276?: 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-2026-26276 have an EU (EUVD) identifier?: Yes. CVE-2026-26276 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9855.
When was CVE-2026-26276 published?: CVE-2026-26276 was published on 2026-03-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gogs:gogs:*:*:*:*:*:*:*:*

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