Signing Key Extraction in Bits Service Release
Priority LOW 36CWE-326Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-326.
Summary
Cloud Foundry Bits Service Release, versions prior to 2.14.0, uses an insecure hashing algorithm to sign URLs. A remote malicious user may obtain a signed URL and extract the signing key, allowing them complete read and write access to the the Bits Service storage.
Why it matters now
EPSS 0.00712 53rd percentileScored 2026-11-07
Fix Fixed bits-service-release (Cloud Foundry): 2.14.0
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 | bits-service-release | all versions to before 2.14.0 | 2.14.0 | Patch available | CNA |
- bits-service-release VendorCloud Foundry Affected all versions to before 2.14.0 Fixed in 2.14.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pivotal_software:bits_service:*:*:*:*:*:*:*:* | before 2.14.0 | Vulnerable | Spring by Pivotal |
- cpe:2.3:a:pivotal_software:bits_service:*:*:*:*:*:*:*:* Versions before 2.14.0 Vulnerable ·Spring by Pivotal
Remediation
- Fix · CNA bits-service-release (Cloud Foundry) Fixed in 2.14.0
Timeline
- 2026-10-02 Threatist record created from CVE-2018-15796
- 2026-10-03 Alias added: GHSA-xx5w-cqxh-w2m4
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-2018-15796 · CVE Program
- CVE-2018-15796 · NVD
- FIRST EPSS
- GHSA-xx5w-cqxh-w2m4 · 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