Vulnerability · Published Sep 16, 2026 · Assigned by VulnCheck
CVE-2026-92718Nuclei from 3.7.0 before 3.11.1 Template Signature Bypass via Modification-Time-Only Cache
High 7.3
In plain English
A high-severity security flaw in nuclei from projectdiscovery. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).
Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.1%top 98.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| projectdiscovery | nuclei | 3.7.0 – before 3.11.1 |
Weakness: CWE-347 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
References
- GitHub Issue #7663 issue-tracking
- https://github.com/projectdiscovery/nuclei product
- https://github.com/projectdiscovery/nuclei/blob/v3.11.0/pkg/templates/compile.go#L610-L624 technical-description
- https://github.com/projectdiscovery/nuclei/blob/v3.11.0/pkg/catalog/index/metadata.go#L78-L84 technical-description
- https://github.com/projectdiscovery/nuclei/commit/9de96e4dda5a03da963b9ae6582f03ea55791a76 patch
- VulnCheck Advisory: Nuclei from 3.7.0 before 3.11.1 Template Signature Bypass via Modification-Time-Only Cache third-party-advisory