CVE-2018-15798
No exploitation reported by the sources we read.
- Published2018-12-19
- Fixed in5.8.1 · 5.5.10 · 5.2.8
- WeaknessCWE-601
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « 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
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.
Timeline
dates in UTC- 2018-12-1922:29CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-15798?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-15798?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
OSV · NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 5.x | ≥ 5.6.0, < 5.8.1 | 5.8.1 | OSV |
| 5.x | ≥ 5.3.0, < 5.5.10 | 5.5.10 | OSV |
| 5.2 | < 5.2.8 | 5.2.8 | OSV |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 4.x | ≥ 4.0.0, < 4.2.2 | 4.2.2 | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
- Update concourse/concourse to 5.8.1 · 5.5.10 · 5.2.8
Advisories and patches
- pivotal.ioRelease Notes · Vendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
Technical details
- CVSS v3 Vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
- Published
- 2018-12-19
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2018-15798?
Is CVE-2018-15798 actively exploited?
What is the CVSS score for CVE-2018-15798?
Running concourse/concourse? Hear about its next vulnerability
Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
No credit card required · No monthly cap on website lookups · 250 API requests/month
Go further
- Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
- Running this software? Vulnerability monitoring alerts you to new vulnerabilities in your products.
Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.