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CVE-2026-25242

Gogs broken access control

9.8 CRITICALPublic exploitEPSS 0.64%
  1. Published19 Feb 2026

Description

Gogs is an open source self-hosted Git service. Versions 0.13.4 and below expose unauthenticated file upload endpoints by default. When the global RequireSigninView setting is disabled (default), any remote user can upload arbitrary files to the server via /releases/attachments and /issues/attachments. This enables the instance to be abused as a public file host, potentially leading to disk exhaustion, content hosting, or delivery of malware. CSRF tokens do not mitigate this attack due to same-origin cookie issuance. This issue has been fixed in version 0.14.1.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Gogs< 0.14.1

Remediation

Fixed in
Gogs≥ 0.14.1

References

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Frequently asked

Is CVE-2026-25242 being actively exploited?

CVE-2026-25242 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.64%.

How severe is CVE-2026-25242?

CVE-2026-25242 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.64% probability of exploitation.

Which products are affected by CVE-2026-25242?

Affected products include Gogs.

How do I fix CVE-2026-25242?

Upgrade affected software to a fixed version, for example Gogs 0.14.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-25242 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.