Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-109596— Hugo from v0.162.0 before v0.167.0 Symlink File Disclosure via Nested Mount Ancestor

Quick assessment

Affected
gohugoio hugo
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.

Hugo 在 v0.162.0 至 v0.167.0（不含 v0.167.0）版本中存在不当链接解析漏洞，恶意主题或模块可通过嵌套挂载的父级目录，暴露其根目录之外的文件。攻击者若控制某个主题，可在虚拟祖先目录中放置符号链接（symlink）或 NTFS 联接点（junction），从而在构建过程中使 resources.Match 列出并发布本地文件。

CVSS 5.5 · Medium EPSS 0.14% · P3

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 2

VendorProduct Version RangeStatus
gohugoio hugo 0.162.0< 0.167.0 affected
0.167.0 unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-109596

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Hugo from v0.162.0 before v0.167.0 Symlink File Disclosure via Nested Mount Ancestor
Source: CVE Program / CVE List V5
Vulnerability Description
Hugo from v0.162.0 before v0.167.0 contains an improper link resolution vulnerability that lets malicious themes or modules expose files outside their root via nested-mount ancestor directories. Attackers controlling a theme can place a symlink or NTFS junction at a virtual ancestor directory, causing resources.Match to list and publish local files during builds.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
gohugoio hugo 0.162.0 ~ 0.167.0 -

II. Public POCs for CVE-2026-109596

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-109596

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-109596 (2)

Same Patch Batch · gohugoio · 2026-10-12 · 4 CVEs total

CVE-2026-109595 5.5 MEDIUM Hugo v0.84.0 before v0.167.0 Path Traversal via js.Build ESBuild Resolver
CVE-2026-109574 5.5 MEDIUM Hugo before v0.167.0 Path Traversal via css.Sass Import Fallback
CVE-2026-109597 5.4 MEDIUM Hugo v0.60.0 before v0.167.0 Stored XSS via Table of Contents Heading IDs

IV. Related Vulnerabilities

Same product: hugo
Same vendor: gohugoio
Same weakness: CWE-59

V. Comments for CVE-2026-109596

No comments yet

Leave a comment