How severe is CVE-2022-3782?

CVE-2022-3782 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2022-3782 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-3782?

CVE-2022-3782 affects Redhat Keycloak. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-3782?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-3782 published?

CVE-2022-3782 was published on 2023-01-13 and last updated on 2026-06-17.

CVE-2022-3782

CVE-2022-3782 is a critical-severity vulnerability in Redhat Keycloak with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Redhat Keycloak
Published: 2023-01-13
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2022-3782?: 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.
How severe is CVE-2022-3782?: CVE-2022-3782 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2022-3782 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-3782?: CVE-2022-3782 affects Redhat Keycloak. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-3782?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-3782 published?: CVE-2022-3782 was published on 2023-01-13 and last updated on 2026-06-17.

References

https://access.redhat.com/security/cve/CVE-2022-3782

Affected products (1)

cpe:2.3:a:redhat:keycloak:20.0.2:*:*:*:*:*:*:*

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