What’s Vulnerable › Vulnerabilities
CVE-2018-15798: Pivotal Concourse allows malicious redirect urls on login
- Severity: medium (CVSS 5.4 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2018-12-19 · updated 2026-06-17
- Weakness: CWE-601
Description
Pivotal Concourse Release, versions 4.x prior to 4.2.2, login flow allows redirects to untrusted websites. A remote unauthenticated attacker could convince a user to click on a link using the oAuth redirect link with an untrusted website and gain access to that user's access token in Concourse.
Affected products
- Pivotal Concourse: from 4.0.0 before 4.2.2 — fixed in 4.2.2
How to fix
Upgrade to a fixed version: Pivotal Concourse 4.2.2. Check the vendor advisory for mitigations.
References
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