How severe is CVE-2026-25921?

CVE-2026-25921 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2026-25921 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-25921?

CVE-2026-25921 affects Gogs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-25921?

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

Does CVE-2026-25921 have an EU (EUVD) identifier?

Yes. CVE-2026-25921 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9850.

When was CVE-2026-25921 published?

CVE-2026-25921 was published on 2026-03-05 and last updated on 2026-06-17.

CVE-2026-25921

CVE-2026-25921 is a critical-severity vulnerability in Gogs with a CVSS 3.x base score of 9.3. 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-345.

Key facts

Severity: Critical (CVSS 3.x base score 9.3)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9850
Weakness: CWE-345
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, overwritable LFS object across different repos leads to supply-chain attack, all LFS objects are vulnerable to be maliciously overwritten by malicious attackers. This issue has been patched in version 0.14.2.

Frequently asked questions

What is CVE-2026-25921?: Gogs is an open source self-hosted Git service. Prior to version 0.14.2, overwritable LFS object across different repos leads to supply-chain attack, all LFS objects are vulnerable to be maliciously overwritten by malicious attackers. This issue has been patched in version 0.14.2.
How severe is CVE-2026-25921?: CVE-2026-25921 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2026-25921 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-25921?: CVE-2026-25921 affects Gogs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-25921?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-25921 have an EU (EUVD) identifier?: Yes. CVE-2026-25921 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9850.
When was CVE-2026-25921 published?: CVE-2026-25921 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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