No exploitation reportedFix available

CVE-2018-15754

Q: Is CVE-2018-15754 actively exploited?

Active exploitation of CVE-2018-15754 has not been confirmed. Its EPSS score was 1.8% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2018-15754?

CVE-2018-15754 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2018-12-13
Fixed in66.0
WeaknessCWE-863

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Cloud Foundry UAA, versions 60 prior to 66.0, contain an authorization logic error. In environments with multiple identity providers that contain accounts across identity providers with the same username, a remote authenticated user with access to one of these accounts may be able to obtain a token for an account of the same username in the other identity provider.

Timeline

dates in UTC

2018-12-1322:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-15754?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-15754?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Pivotal software cloud foundry uaa-release

Branch	Affected	Fixed in	Source
66.0	≥ 60.0, < 66.0	66.0	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Pivotal software cloud foundry uaa-release to 66.0

Advisories and patches

www.cloudfoundry.orgMitigation · Vendor Advisory
www.cloudfoundry.orgMitigation · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.04.2read 2026-10-23
NVDCVSS 3.08.8read 2026-10-23
NVDCVSS 2.04read 2026-10-23
NVDweakness (CWE)CWE-863read 2026-10-23
FIRST EPSSEPSS score1.8 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2018-12-13
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-15754?

Is CVE-2018-15754 actively exploited?

Active exploitation of CVE-2018-15754 has not been confirmed. Its EPSS score was 1.8% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-15754?

CVE-2018-15754 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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