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CVE-2026-95112— Gitea issue reference parsing CPU exhaustion

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.

在处理问题和评论正文时，Gitea 会为每个 Markdown 链接扫描整个前文以查找诸如“closes”或“fixes”等动作关键字，导致处理时间与输入大小呈二次方关系增长。经过身份验证的用户能够提交 crafted（精心构造）的约 1 MB 的问题或评论正文，该正文可使单个 CPU 核心持续繁忙数分钟，同时保持数据库事务处于打开状态。

AI Predicted 4.3 Difficulty: Easy

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 1

VendorProduct Version RangeStatus
Gitea Gitea ≤ 1.27.3 affected
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I. Basic Information for CVE-2026-95112

Vulnerability Information
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Vulnerability Title
Gitea issue reference parsing CPU exhaustion
Source: CVE Program / CVE List V5
Vulnerability Description
When processing issue and comment bodies, Gitea scanned the entire preceding text for action keywords such as "closes" or "fixes" once per Markdown link, giving processing time quadratic in the input size. An authenticated user able to submit issue or comment content could send a crafted body of about 1 MB that keeps a CPU core busy for several minutes while holding a database transaction open.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Gitea Gitea 0 ~ 1.27.3 -

II. Public POCs for CVE-2026-95112

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III. Intelligence Information for CVE-2026-95112

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Other References for CVE-2026-95112 (4)

Same Patch Batch · Gitea · 2026-10-06 · 21 CVEs total

CVE-2026-104632 Gitea fork workflow approval bypass through cancel and rerun
CVE-2026-73278 Gitea WebAuthn bypass during OAuth and OIDC sign-in
CVE-2026-79960 Gitea deploy key pushes acting as the repository owner
CVE-2026-70357 Gitea repository migration SSRF through DNS rebinding
CVE-2026-96580 Gitea Actions memory exhaustion through large static matrices
CVE-2026-96589 Gitea private repository access retained after rejected transfer
CVE-2026-96400 Gitea migration SSRF to reserved addresses through ALLOWED_DOMAINS
CVE-2026-96399 Gitea denial of service through external issue tracker patterns
CVE-2026-96404 Gitea installer authentication bypass for existing accounts
CVE-2026-104626 Gitea fork workflow job revival through later approval
CVE-2026-94205 Gitea fork workflow approval bypass through maintainer-triggered events
CVE-2026-104636 Gitea SSRF through Git HTTP redirects in mirrors and fetches
CVE-2026-101027 Gitea migration SSRF through ALLOWED_DOMAINS address check bypass
CVE-2026-101029 Gitea migration and pull mirror SSRF through multi-answer DNS
CVE-2026-95106 Gitea review and execution mismatch through duplicate tree entries
CVE-2026-89430 Gitea push mirror SSRF and forced writes to internal Git hosts
CVE-2026-103504 Gitea API team demotion not applied to unit permissions
CVE-2026-103667 Gitea container registry stored XSS through blob media type
CVE-2026-103059 Gitea built-in SSH server authentication bypass through key case folding
CVE-2026-103670 Gitea trusted workflow cancellation by unapproved fork runs

IV. Related Vulnerabilities

Same product: Gitea
Same vendor: Gitea

V. Comments for CVE-2026-95112

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