# org.http4k:http4k-core (Maven) vulnerabilities

3 known vulnerabilities (2 high, 1 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Dependents: 246
- Registry: https://central.sonatype.com/artifact/org.http4k/http4k-core

## Advisories (3)

### [CVE-2026-100725](https://cve.now/CVE-2026-100725): http4k before 6.48.0.0 Cookie Scoping Bypass via BasicCookieStorage

- Severity: High 8.3
- Published: Sep 27, 2026
- Affected: from 6.0.0.0, fixed in 6.48.0.0; from 5.0.0.0, fixed in 5.42.0.0; fixed in 4.51.0.0.

### [CVE-2026-100724](https://cve.now/CVE-2026-100724): http4k before 6.49.0.0 Host Header Routing Bypass via reverseProxy

- Severity: Medium 6.3
- Published: Sep 27, 2026
- Affected: from 6.0.0.0, fixed in 6.49.0.0; from 5.0.0.0, fixed in 5.42.0.0; fixed in 4.51.0.0.

### [CVE-2026-53659](https://cve.now/CVE-2026-53659): http4k: Unbounded gzip decompression in \`ServerFilters.GZip\` / \`RequestFilters.GunZip\` allowed memory-exhaustion DoS

- Severity: High 7.5
- Published: Sep 14, 2026
- Affected: from 6.0.0.0, fixed in 6.49.0.0; from 5.0.0.0, fixed in 5.42.0.0; through 4.48.2.0.

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/packages/maven/org.http4k:http4k-core
Site guide for agents: https://cve.now/llms.txt
Uses NVD data; not endorsed by NVD.