CVE-2024-33452: An issue in OpenResty lua-nginx-module v.0.10.26 and before allows a remote attacker to conduct HTTP request s
CVE-2024-33452 is a high-severity flaw (CVSS 7.7) affecting lua-nginx-module. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue in OpenResty lua-nginx-module v.0.10.26 and before allows a remote attacker to conduct HTTP request smuggling via a crafted HEAD request.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.7 (High) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.9% (top 42%) |
| CISA exploited list | No |
| Weakness | CWE-444 |
| Published | 2025-04-22 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2024-33452?
lua-nginx-module: upgrade to newer than 0.10.26. Exact commands for each OS are on this page.
Is CVE-2024-33452 being exploited?
CVE-2024-33452 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2024-33452 affect?
CVE-2024-33452 affects lua-nginx-module. Severity is high (CVSS 7.7). An issue in OpenResty lua-nginx-module v.0.10.26 and before allows a remote attacker to conduct HTTP request smuggling via a crafted HEAD request.
How urgent is CVE-2024-33452?
Priority 56/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist