Pivotal Concourse allows malicious redirect urls on login
Published Dec 19, 2018
5.4
MEDIUMCVSS 3.1
EPSS 1.15%
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
-
- Version 4.xStatusaffectedConstraints<4.2.2
- Version
- ≥ 4.0.0 · < 4.2.2
No data.
No Red Hat product state for this CVE.
github.com/concourse/concourse
Go
Introduced 0 Fixed 5.2.8github.com/concourse/concourse
Go
Introduced 5.3.0 Fixed 5.5.10github.com/concourse/concourse
Go
Introduced 5.6.0 Fixed 5.8.1
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| Go | github.com/concourse/concourse | 0 | 5.2.8 |
| Go | github.com/concourse/concourse | 5.3.0 | 5.5.10 |
| Go | github.com/concourse/concourse | 5.6.0 | 5.8.1 |
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
1 other source (CVE.org) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
AV:N/AC:M/Au:N/C:P/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.15% (0.01145) | 65.61th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.15% (0.01145) | 65.31th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.14% (0.00138) | 49.91th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.14% (0.00138) | 49.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00138) | 47.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.56% (0.00556) | 13.12th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.56% (0.00556) | 0.00th | v1 |
References (5)
- https://github.com/advisories/GHSA-9689-rx4v-cqgc Advisory
- https://github.com/concourse/concourse/blob/release/5.2.x/release-notes/v5.2.8.md
- https://github.com/concourse/concourse/pull/5350/commits/38cb4cc025e5ed28764b4adc363a0bbf41f3c7cb
- https://nvd.nist.gov/vuln/detail/CVE-2018-15798
- https://pivotal.io/security/cve-2018-15798 x_refsource_CONFIRMRelease NotesVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-9689-rx4v-cqgc | Advisory | |
| https://github.com/concourse/concourse/blob/release/5.2.x/release-notes/v5.2.8.md | ||
| https://github.com/concourse/concourse/pull/5350/commits/38cb4cc025e5ed28764b4adc363a0bbf41f3c7cb | ||
| https://nvd.nist.gov/vuln/detail/CVE-2018-15798 | ||
| https://pivotal.io/security/cve-2018-15798 | x_refsource_CONFIRMRelease NotesVendor Advisory |
Change history (0)
No recorded changes yet.