CVE-2026-41849
No fix known EPSS <1%CVSS 7.5
An integer overflow vulnerability exists in the evaluation logic of the Spring Expression Language (SpEL). An attacker can exploit this by supplying a specially crafted SpEL expression that triggers excessive resource consumption, resulting in a Denial of Service (DoS). Affected versions: Spring Framework 5.3.0 through 5.3.48.
Products: Spring Framework
Fixed upstream
| Ecosystem | Package | Fixed in |
|---|---|---|
| Maven | org.springframework:spring-expression | no fix |
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Chainguard | apache-activemq-5.19 | no fix |
| Chainguard | apache-activemq-fips-5.19 | no fix |
| Chainguard | data-prepper | no fix |
| Chainguard | geoserver-2.27 | no fix |
| Chainguard | geoserver-2.28 | no fix |
| Chainguard | geoserver-2.28-community | no fix |
| Chainguard | kayenta-2025.2 | no fix |
| Chainguard | kayenta-fips-2025.2 | no fix |
| Chainguard | ontop | no fix |
| Chainguard | ontop-fips | no fix |
| Chainguard | ranger | no fix |
| Chainguard | seata-server | no fix |
| Debian 12 | libspring-java | no fix |
| Debian 13 | libspring-java | no fix |
| Debian 14 | libspring-java | no fix |
| Ubuntu 25.10 | libspring-java | no fix |
| Ubuntu 26.04 LTS | libspring-java | no fix |
| Ubuntu 26.10 | libspring-java | no fix |
| Ubuntu Pro 14.04 LTS | libspring-java | no fix |
| Ubuntu Pro 16.04 LTS | libspring-java | no fix |
| Ubuntu Pro 18.04 LTS | libspring-java | no fix |
| Ubuntu Pro 20.04 LTS | libspring-java | no fix |
| Ubuntu Pro 22.04 LTS | libspring-java | no fix |
| Ubuntu Pro 24.04 LTS | libspring-java | no fix |