Gitea Remote Code Execution (RCE)

CRITICAL 9.8CVE-2018-18926 · GHSA-hf6f-jq25-8gq9 · GO-2022-0844 · Published 04/11/2018 · updated 17/06/2026

In short

CVE-2018-18926 is a CRITICAL (CVSS 9.8) vulnerability affecting code.gitea.io/gitea, gitea (gitea).
Chance of exploitation in the next 30 days (EPSS): 3.0%, higher than 87.5% of all vulnerabilities.
Fix: update to 1.5.2, 1.5.4 or later.

Package	Affected versions	Patched versions
code.gitea.io/gitea Go	`< 1.5.2`	`1.5.2`
gitea gitea	`< 1.5.4`	`1.5.4`

Description

Gitea before 1.5.4 allows remote code execution because it does not properly validate session IDs. This is related to session ID handling in the go-macaron/session code for Macaron.

NVD description

Gitea before 1.5.4 allows remote code execution because it does not properly validate session IDs. This is related to session ID handling in the go-macaron/session code for Macaron.

References

nvd.nist.gov/vuln/detail/CVE-2018-18926 · ADVISORY
go-gitea/gitea · WEB
go-gitea/gitea#5177 · WEB
go-gitea/gitea commit aeb5655 · WEB
GitHub Advisory GHSA-hf6f-jq25-8gq9 · ADVISORY

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Package

Affected versions

Patched versions

code.gitea.io/gitea

< 1.5.2

1.5.2

gitea

< 1.5.4

1.5.4

Description

Gitea before 1.5.4 allows remote code execution because it does not properly validate session IDs. This is related to session ID handling in the go-macaron/session code for Macaron.

NVD description

Gitea before 1.5.4 allows remote code execution because it does not properly validate session IDs. This is related to session ID handling in the go-macaron/session code for Macaron.

More vulnerabilities in code.gitea.io/gitea

See all →