Cloud Foundry GoRouter is vulnerable to cache poisoning
Priority LOW 26CWE-393Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Cloud Foundry Routing Release, versions prior to 0.197.0, contains GoRouter, which allows malicious clients to send invalid headers, causing caching layers to reject subsequent legitimate clients trying to access the app.
Why it matters now
EPSS 0.01037 64th percentileScored 2026-11-07
Fix Fixed Routing (Cloud Foundry): 0.197.0
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 |
|---|---|---|---|---|---|
| Cloud Foundry | Routing | before 0.197.0 | 0.197.0 | Patch available | CNA |
- Routing VendorCloud Foundry Affected before 0.197.0 Fixed in 0.197.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cloudfoundry:routing_release:*:*:*:*:*:*:*:* | before 0.197.0 | Vulnerable | CloudFoundry Foundation |
- cpe:2.3:a:cloudfoundry:routing_release:*:*:*:*:*:*:*:* Versions before 0.197.0 Vulnerable ·CloudFoundry Foundation
Remediation
- Fix · CNA Routing (Cloud Foundry) Fixed in 0.197.0
Timeline
- 2026-10-02 Threatist record created from CVE-2020-5401
- 2026-10-03 Alias added: GHSA-jgr4-5mrv-w8ph
References
More Cloud Foundry vulnerabilities
- TI-2018-11240 UAA Privilege Escalation CVSS 3.0CRITICAL 9.9
- TI-2018-01169 Log Cache logs UAA client secret on startup CVSS 3.0CRITICAL 9.8
- TI-2018-07868 Cloud Foundry UAA MFA does not prevent brute force of MFA code CVSS 3.0CRITICAL 9.8
- TI-2026-18259 Cloud Foundry UAA SAML 2.0 Signature Bypass CVSS 3.1HIGH 8.6
- TI-2019-02813 Java Projects using HTTP to fetch dependencies CVSS 3.1CRITICAL 9.8
- TI-2024-24613 Authentication bypass by spoofing in Cloud Foundry haproxy-boshrelease CVSS 3.1CRITICAL 9.1
Sources
- CVE-2020-5401 · CVE Program
- CVE-2020-5401 · NVD
- FIRST EPSS
- GHSA-jgr4-5mrv-w8ph · 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