An issue was discovered in Ratpack before 1.7.5.
Priority LOW 37CWE-74Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
An issue was discovered in Ratpack before 1.7.5. Due to a misuse of the Netty library class DefaultHttpHeaders, there is no validation that headers lack HTTP control characters. Thus, if untrusted data is used to construct HTTP headers with Ratpack, HTTP Response Splitting can occur.
Why it matters now
EPSS 0.02153 82nd percentileScored 2026-11-07
Fix Fixed io.ratpack:ratpack-core (Maven): 1.7.5
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | io.ratpack:ratpack-core (Maven) | before 1.7.5 | 1.7.5 | Patch available | GHSA-mvqp-q37c-wf9j |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- io.ratpack:ratpack-core (Maven) Vendor— Affected before 1.7.5 Fixed in 1.7.5 Patch available GHSA-mvqp-q37c-wf9j
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ratpack_project:ratpack:*:*:*:*:*:*:*:* | before 1.7.5 | Vulnerable | Ratpack Project |
- cpe:2.3:a:ratpack_project:ratpack:*:*:*:*:*:*:*:* Versions before 1.7.5 Vulnerable ·Ratpack Project
Remediation
- Fix · GHSA-mvqp-q37c-wf9j io.ratpack:ratpack-core (Maven) Fixed in 1.7.5 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2019-17513
- 2026-10-03 Alias added: GHSA-mvqp-q37c-wf9j
References
Patch 2
Advisory 5
More Ratpack Project Ratpack vulnerabilities
- TI-2021-10198 Remote Code Execution Vulnerability in Session Storage CVSS 3.1CRITICAL 9.9
- TI-2021-10194 Client side sessions should not allow unencrypted storage CVSS 3.1HIGH 7.5
- TI-2021-10192 Cached redirect poisoning via X-Forwarded-Host header CVSS 3.1HIGH 7.0
- TI-2021-10193 Default client side session signing key is highly predictable CVSS 3.1MEDIUM 4.4
- TI-2019-08846 Ratpack versions before 1.6.1 generate a session ID using a cryptographically weak PRNG… CVSS 3.0LOW 3.7
Sources
- CVE-2019-17513 · CVE Program
- CVE-2019-17513 · NVD
- FIRST EPSS
- GHSA-mvqp-q37c-wf9j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences