How severe is CVE-2016-8609?

CVE-2016-8609 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2016-8609 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8609?

CVE-2016-8609 affects Redhat Keycloak. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-8609?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-8609 published?

CVE-2016-8609 was published on 2018-08-01 and last updated on 2026-06-17.

CVE-2016-8609

CVE-2016-8609 is a low-severity vulnerability in Redhat Keycloak with a CVSS 3.x base score of 3.7. 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-287.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
CVSS v2: 5.8
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Redhat Keycloak
Published: 2018-08-01
Last modified: 2026-06-17

Description

It was found that the keycloak before 2.3.0 did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user's session. This could lead to information disclosure, or permit further possible attacks.

Frequently asked questions

What is CVE-2016-8609?: It was found that the keycloak before 2.3.0 did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user's session. This could lead to information disclosure, or permit further possible attacks.
How severe is CVE-2016-8609?: CVE-2016-8609 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2016-8609 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8609?: CVE-2016-8609 affects Redhat Keycloak. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-8609?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-8609 published?: CVE-2016-8609 was published on 2018-08-01 and last updated on 2026-06-17.

References

Affected products (1)

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

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