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CVE-2026-73273

4.3 · MEDIUM

Gitea's Maven upload handler reads checksum uploads entirely into memory and returns before enforcing package-size quotas.

Published Oct 14, 2026CWE-770EPSS 0.39%

Overview

CVE-2026-73273 is a medium-severity vulnerability. It was published on October 14, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Gitea's Maven upload handler reads checksum uploads entirely into memory and returns before enforcing package-size quotas. An authenticated user with package-publish permission can submit an oversized body to a checksum endpoint despite legitimate checksum values being at most 128 bytes. This bypasses the upload quota on that path and can exhaust server memory.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refblog.gitea.com/release-of-1.27.3/GitHubgithub.com/go-gitea/gitea/pull/39028GitHubgithub.com/go-gitea/gitea/pull/39031GitHubgithub.com/go-gitea/gitea/releases/tag/v1.27.3GitHubgithub.com/go-gitea/gitea/security/advisories/GHSA-5xcq-p92v-43rf

How CyberStrike helps

Frequently asked questions

What is CVE-2026-73273?

CVE-2026-73273 is a medium-severity vulnerability. It was published on October 14, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-73273?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-73273?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-73273?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-73273 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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