Description
A SQL injection bypass (aka PL1 bypass) exists in OWASP ModSecurity Core Rule Set (owasp-modsecurity-crs) through v3.1.0-rc3 via {`a`b} where a is a special function name (such as "if") and b is the SQL statement to be executed.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | modsecurity-crs | 3.2.0-1 | — |
| Debian 13 | modsecurity-crs | 3.2.0-1 | — |
| Debian 12 | modsecurity-crs | 3.2.0-1 | — |
| Debian 10 | modsecurity-crs | 3.2.3-0+deb10u3 | DLA-3293-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | modsecurity-crs | No fix yet | — |
| Ubuntu 26.04 LTS | modsecurity-crs | No fix yet | — |
| Ubuntu 25.10 | modsecurity-crs | No fix yet | — |
| Ubuntu 24.04 LTS | modsecurity-crs | No fix yet | — |
| Ubuntu 22.04 LTS | modsecurity-crs | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | modsecurity-crs | No fix yet | — |
| Ubuntu 18.04 LTS | modsecurity-crs | No fix yet | — |
| Ubuntu 16.04 LTS | modsecurity-crs | No fix yet | — |
Advisories 1
- DLA-3293-1 modsecurity-crs - security update Debian Security (DSA / DLA) · Mar 9, 2026