CVE-2022-3782
criticalpriority · attend · 48EPSS 0.060 · 93 %ileexploit · PoCDEEUUSEPSS · scored 2026-10-27
keycloak: path traversal via double URL encoding. A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. An attacker can use this flaw to construct a malicious request to bypass validation and access other URLs and potentially sensitive information within the domain or possibly conduct further attacks. This flaw affects any client that utilizes a wildcard in the Valid Redirect URIs field.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.6–9.1
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
affected products (7)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2023-0200Keycloak: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2023-01-25csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Keycloak ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
- WID-SEC-W-2023-0864Red Hat JBoss A-MQ: Mehrere SchwachstellenDeutsch2023-04-05csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Red Hat JBoss A-MQ ausnutzen, um Informationen offenzulegen, Sicherheitsmaßnahmen zu umgehen und einen Denial-of-Service-Zustand zu verursachen.
- GHSA-g8q8-fggx-9r3qKeycloak vulnerable to path traversal via double URL encoding 2022-12-13ghsa · osvUS
Keycloak does not properly validate URLs included in a redirect. An attacker could construct a malicious request to bypass validation and access other URLs and potentially sensitive information within the domain, or possibly conduct further attacks.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (14)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/CVE-2022-3782cnnvd
- https://access.redhat.com/security/cve/cve-2022-3782cnnvd
- https://cxsecurity.com/cveshow/CVE-2022-3782/cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2022-3782cnnvd
- https://packetstormsecurity.com/files/170215/Red-Hat-Security-Advisory-2022-8961-01.htmlcnnvd
- https://vigilance.fr/vulnerability/Keycloak-directory-traversal-via-Double-URL-Encoding-40094cnnvd
- https://www.auscert.org.au/bulletins/ESB-2023.1637cnnvd
- https://www.auscert.org.au/bulletins/ESB-2023.2399cnnvd
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