CVE-2026-20800: Github.com/go gitea/gitea Gitea Improperly Exposes Issue And Vulnerability
LOWCVE-2026-20800 is a LOW gitea improperly exposes issue and vulnerability (CWE-200: Exposure of Sensitive Information to an Unauthorized Actor) affecting Github.com/go gitea/gitea libraries in the Go ecosystem. The issue involves gitea improperly exposes issue and pull request titles. Remediation is available by upgrading affected packages to version 1.25.4.
CVE-2026-20800 at a Glance
How to Fix CVE-2026-20800
To remediate this vulnerability, upgrade all affected Github.com/go gitea/gitea dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade github.com/go-gitea/gitea to 1.25.4Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/go-gitea/giteaHow to Check if You Are Affected
To determine whether your application is affected by CVE-2026-20800, inspect your project dependencies for Github.com/go gitea/gitea:
inspect dependencies for github.com/go-gitea/giteaAnalyze the terminal output to locate any version of Github.com/go gitea/gitea in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.25.4), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor, where the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. In Github.com/go gitea/gitea, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2026-20800 Affected Github.com/go gitea/gitea Versions
1 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/go-gitea/gitea
|
Go |
< 1.25.4
|
1.25.4
|
References
Frequently Asked Questions
What is CVE-2026-20800?
Which Github.com/go gitea/gitea versions are affected?
What version fixes CVE-2026-20800?
Is github.com/go-gitea/gitea affected?
What CWE is associated with CVE-2026-20800?
How can I check Go dependencies for CVE-2026-20800?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-2vgv-hgv4-22mh",
"modified" : "2026-01-23T20:11:50Z",
"published" : "2026-01-23T00:31:16Z",
"aliases" : [ "CVE-2026-20800" ],
"summary" : "Gitea improperly exposes issue and pull request titles",
"details" : "Gitea's notification API does not re-validate repository access permissions when returning notification details. After a user's access to a private repository is revoked, they may still view issue and pull request titles through previously received notifications.",
"severity" : [ {
"type" : "CVSS_V4",
"score" : "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/go-gitea/gitea"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "1.25.4"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-20800"
}, {
"type" : "WEB",
"url" : "https://github.com/go-gitea/gitea/pull/36339"
}, {
"type" : "WEB",
"url" : "https://github.com/go-gitea/gitea/commit/67e75f30a83d2523cedc37ad7b03bcba66947833"
}, {
"type" : "WEB",
"url" : "https://blog.gitea.com/release-of-1.25.4"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/go-gitea/gitea"
}, {
"type" : "WEB",
"url" : "https://github.com/go-gitea/gitea/releases/tag/v1.25.4"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-200" ],
"severity" : "LOW",
"github_reviewed" : true,
"github_reviewed_at" : "2026-01-23T20:11:50Z",
"nvd_published_at" : "2026-01-22T22:16:17Z"
}
}