Hugo is a static site generator. From 0.123.0 to 0.161.1, a regression made RootMappingFs.statRoot use Stat (follows symlinks) instead of Lstat , so a direct resources.Get of a symlink pointing outside its mount returned the target's contents — letting a symlink planted in a local mount (e.g. a vendored themes/ theme) read arbitrary files accessible to the Hugo user. Go-module themes from GitHub (symlinks stripped) and directory walks were unaffected. Fixed in 0.162.0.
CVE-2026-50135
MEDIUMPre-NVD 6.96.9
EchelonGraph scoreLOW confidence
This medium-severity CVE scores 6.9 under the CNA's CVSS (NVD's own analysis pending). EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: cna:github_m
6.9
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: —CVSS: 6.9Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.9
- EG Score
- 6.9(low)
- EPSS
- —
- KEV
- Not listed
Published
June 16, 2026
Last Modified
July 6, 2026
References (3)
- security-advisories@githubhttps://github.com/gohugoio/hugo/commit/f8b5fa09a64950c32b803821ede411ebfe772b7a
- security-advisories@githubhttps://github.com/gohugoio/hugo/releases/tag/v0.162.0
- security-advisories@githubhttps://github.com/gohugoio/hugo/security/advisories/GHSA-fw87-fv5r-9fpw
Vendor Advisories for CVE-2026-50135(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Affected Packages
(1 across 1 ecosystem)
Go(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| github.com/gohugoio/hugo | — | 0.162.0 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 2× in last 7d / 3× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 20:31 UTCEG score recompute▲ 6.90
- 2026-07-06 20:29 UTCMITRE cvelistV5CVSS v3 → 6.9 · CVSS v4 → 6.9
- 2026-06-16 20:44 UTCEG score recompute
Related CVEs(same CWE)
Frequently asked(4)
What is CVE-2026-50135?
CVE-2026-50135 is a medium vulnerability published on June 16, 2026. Hugo is a static site generator. From 0.123.0 to 0.161.1, a regression made RootMappingFs.statRoot use Stat (follows symlinks) instead of Lstat , so a direct resources.Get of a symlink pointing outside its mount returned the target's contents — letting a symlink planted in a local mount (e.g. a…
When was CVE-2026-50135 disclosed?
CVE-2026-50135 was first published in the National Vulnerability Database on June 16, 2026, with the most recent update on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-50135?
CVE-2026-50135 has a CVSS v3 base score of 6.9 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..
How do I remediate CVE-2026-50135?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50135, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-50135
Is Your Infrastructure Affected by CVE-2026-50135?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.