What’s Vulnerable › Vulnerabilities

CVE-2020-7622: HTTP Response Splitting

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-04-06 · updated 2026-06-17

Description

This affects the package io.jooby:jooby-netty before 1.6.9, from 2.0.0 and before 2.2.1. The DefaultHttpHeaders is set to false which means it does not validates that the header isn't being abused for HTTP Response Splitting.

Affected products

• io.jooby:jooby-netty: before 1.6.9; from 2.0.0 before 2.2.1 — fixed in 1.6.9, 2.2.1

How to fix

Upgrade to a fixed version: io.jooby:jooby-netty 1.6.9, 2.2.1. Check the vendor advisory for mitigations.

References

• https://github.com/jooby-project/jooby/commit/b66e3342cf95205324023cfdf2cb5811e8a6dcf4
• https://github.com/jooby-project/jooby/security/advisories/GHSA-gv3v-92v6-m48j
• https://snyk.io/vuln/SNYK-JAVA-IOJOOBY-564249
• https://github.com/jooby-project/jooby/commit/b66e3342cf95205324023cfdf2cb5811e8a6dcf4
• https://github.com/jooby-project/jooby/security/advisories/GHSA-gv3v-92v6-m48j
• https://snyk.io/vuln/SNYK-JAVA-IOJOOBY-564249

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