Vulnerability in Cloudfoundry Foundation Cf-Deployment
CVE-2026-47840
A network attacker positioned between UAA and its LDAP directory can impersonate the directory using any certificate from any trusted CA, then harvest the LDAP bind password and every end-user password sent during simple-bind authentication, and return forged group memberships that grant themselves admin scopes. This affects every deployment that authenticates users against LDAP over StartTLS. Affected versions: UAA versions prior to v78.13.0; Cf-deployment versions prior to v56.2.0.
EPSS: 0.001 (3.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N.
Affected products
- Cloudfoundry Foundation Cf-deployment — versions 0
- Cloudfoundry Foundation Uaa — versions 0
References
Frequently asked questions
- What is CVE-2026-47840?
- CVE-2026-47840 is a high-severity vulnerability in Cloudfoundry Foundation Cf-Deployment, classified under CWE-297 IMPROPER VALIDATION OF CERTIFICATE WITH HOST MISMATCH. CVSS score: 7.5/10. Published 2026-07-09.
- How severe is CVE-2026-47840?
- High severity. CVSS v3 base score is 7.5 out of 10.