How severe is CVE-2025-8662?

CVE-2025-8662 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-8662 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8662?

CVE-2025-8662 affects Openam. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-8662?

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

Does CVE-2025-8662 have an EU (EUVD) identifier?

Yes. CVE-2025-8662 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26407.

When was CVE-2025-8662 published?

CVE-2025-8662 was published on 2025-09-02 and last updated on 2026-06-17.

CVE-2025-8662

CVE-2025-8662 is a medium-severity vulnerability in Openam with a CVSS 3.x base score of 4.3. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v4: 2.3
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26407
Weakness: CWE-20
Affected product: Openam
Published: 2025-09-02
Last modified: 2026-06-17

Description

OpenAM (OpenAM Consortium Edition) contains a vulnerability that may cause it to malfunction as a SAML IdP due to a tampered request.This issue affects OpenAM: from 14.0.0 through 14.0.1.

Frequently asked questions

What is CVE-2025-8662?: OpenAM (OpenAM Consortium Edition) contains a vulnerability that may cause it to malfunction as a SAML IdP due to a tampered request.This issue affects OpenAM: from 14.0.0 through 14.0.1.
How severe is CVE-2025-8662?: CVE-2025-8662 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-8662 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8662?: CVE-2025-8662 affects Openam. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-8662?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8662 have an EU (EUVD) identifier?: Yes. CVE-2025-8662 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26407.
When was CVE-2025-8662 published?: CVE-2025-8662 was published on 2025-09-02 and last updated on 2026-06-17.

References

https://openam-jp.github.io/Advisories/CVE-2025-8662/

Affected products (1)

cpe:2.3:a:openam:openam:*:*:*:*:consortium:*:*:*

More vulnerabilities in Openam

CVE-2023-22320 — High (CVSS 7.5): OpenAM Web Policy Agent (OpenAM Consortium Edition) provided by OpenAM Consortium parses URLs improperly, leading to a…

All CVEs affecting Openam →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →