Hugo vulnerabilities: known CVEs & security history
Hugo · Web / Static Site · 9 tracked CVEs · 0 actively exploited · updated August 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Hugo release lines — 9 in total. A CVE here doesn't mean your version is affected — check Hugo's current status and the safe version to run.
Known Hugo CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2026-44301 | high | 8.1 | 0% | 2026 |
| CVE-2020-26284 | high | 7.7 | 1% | 2020 |
| CVE-2026-58404 | medium | 6.8 | 0% | 2026 |
| CVE-2026-58403 | medium | 6.5 | 0% | 2026 |
| CVE-2026-50133 | medium | 6.1 | 0% | 2026 |
| CVE-2026-50134 | medium | 5.8 | 0% | 2026 |
| CVE-2026-50135 | medium | 5.5 | 0% | 2026 |
| CVE-2026-58402 | medium | 5.4 | 0% | 2026 |
| CVE-2026-35166 | medium | 5.4 | 0% | 2026 |
Is my Hugo version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your Hugo version → · Monitor Hugo for new CVEs →
Hugo vulnerabilities — frequently asked
How many known vulnerabilities does Hugo have?
IsItPatched tracks 9 CVEs for Hugo. 0 are critical-severity and 2 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Hugo have any actively-exploited vulnerabilities?
None of Hugo's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe Hugo vulnerability?
Among tracked issues, CVE-2026-44301 (HIGH, CVSS 8.1) ranks highest — a Path traversal weakness.
Is Hugo safe to use?
It depends on the version. The latest supported Hugo release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: Hugo security status · Hugo end-of-life · actively-exploited CVEs. Always verify against Hugo's advisories — see our disclaimer.