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CVE-2026-105964— Gitea Actions artifact v4 API unbounded request body

Quick assessment

Affected
Gitea Gitea
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Gitea Actions 的 v4（Twirp）制品处理器会将整个请求体读入内存，且未设置大小限制。能够运行工作流并获取该运行实例 Runner 令牌的用户，可向制品服务发送超大请求，耗尽服务器内存，从而导致 Gitea 进程终止。目前，请求体大小已限制为 1 MiB。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.16% · P4

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
Gitea Gitea 1.22.0≤ 28.1.0 affected
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I. Basic Information for CVE-2026-105964

Vulnerability Information
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Vulnerability Title
Gitea Actions artifact v4 API unbounded request body
Source: CVE Program / CVE List V5
Vulnerability Description
The Gitea Actions artifact v4 (Twirp) handlers read the whole request body into memory without a size limit. A user who can run a workflow and obtains the runner token of that run could send an oversized request to the artifact service and exhaust the memory of the server, which terminates the Gitea process. The request body is now limited to 1 MiB.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Gitea Gitea 1.22.0 ~ 28.1.0 -

II. Public POCs for CVE-2026-105964

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-105964

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Patches & Fixes for CVE-2026-105964 (2)

Vendor Advisories for CVE-2026-105964 (1)

Other References for CVE-2026-105964 (1)

Same Patch Batch · Gitea · 2026-10-18 · 12 CVEs total

CVE-2026-109553 Gitea SSH certificate principal impersonation of other users
CVE-2026-104627 Gitea OpenID account linking without session binding
CVE-2026-105661 Gitea panic on the repositories route of individual users
CVE-2026-109844 Gitea watched repositories API disclosure after access revocation
CVE-2026-107618 Gitea cross-site request forgery on repository topics
CVE-2026-107686 Gitea reactions accepted on locked issues and comments
CVE-2026-110494 Gitea release attachment re-linking of issue attachments
CVE-2026-110324 Gitea private profile information disclosure through POST request
CVE-2026-110311 Gitea draft release creation disclosing attachment metadata
CVE-2026-97204 Gitea label deletion across repository and organization IDs
CVE-2026-97859 Gitea API disclosure of private user social graph, keys and stars

IV. Related Vulnerabilities

Same product: Gitea
Same vendor: Gitea
Same weakness: CWE-770

V. Comments for CVE-2026-105964

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