---
cve: "CVE-2026-49826"
severity: "LOW"
cvss: 3.1
epss: "0.3%"
vendor: "concourse"
kev: false
exploited: false
published: "2026-08-14 17:18:27"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-21T22:27:02+02:00"
---

# CVE-2026-49826

> 3.1 LOW · 🧪 PoC

## Beschreibung

Concourse is a container-based automation system written in Go. Prior to version 8.2.3, an attacker is able to craft and send a user a URL that will redirect the user from the Concourse web server to any other site. This could be used in a phishing attack to steal user's credentials. This has been fixed in 8.2.3. No known workarounds are available.

## Patch verfügbar (OSV)

- ac60be5f0435b6592f5a4fcc089050d72ad2452c (Commit)

## Referenzen

- <https://github.com/concourse/concourse/security/advisories/GHSA-8w27-c4vc-88q9>
- <https://github.com/concourse/concourse/commit/ac60be5f0435b6592f5a4fcc089050d72ad2452c>
- <https://github.com/concourse/concourse/releases/tag/v8.2.3>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-49826) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_