How severe is CVE-2026-56599?

CVE-2026-56599 has a CVSS 3.x base score of 2.2, rated low severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-56599 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-56599?

CVE-2026-56599 affects Hcltech Bigfix Service Management. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-56599?

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

When was CVE-2026-56599 published?

CVE-2026-56599 was published on 2026-10-01 and last updated on 2026-10-05.

CVE-2026-56599

CVE-2026-56599 is a low-severity vulnerability in Hcltech Bigfix Service Management with a CVSS 3.x base score of 2.2. 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-614.

Key facts

Severity: Low (CVSS 3.x base score 2.2)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-614
Affected product: Hcltech Bigfix Service Management
Published: 2026-10-01
Last modified: 2026-10-05

Description

HCL BigFix Service Management is affected by an Insecure Cookie Attribute Configuration vulnerability, which could allow an attacker to exploit missing security attributes such as SameSite, HttpOnly, Secure, and restrictive Paths, enabling Cross-Site Request Forgery (CSRF), session hijacking via Cross-Site Scripting (XSS), and unauthorized access.

Frequently asked questions

What is CVE-2026-56599?: HCL BigFix Service Management is affected by an Insecure Cookie Attribute Configuration vulnerability, which could allow an attacker to exploit missing security attributes such as SameSite, HttpOnly, Secure, and restrictive Paths, enabling Cross-Site Request Forgery (CSRF), session hijacking via Cross-Site Scripting (XSS), and unauthorized access.
How severe is CVE-2026-56599?: CVE-2026-56599 has a CVSS 3.x base score of 2.2, rated low severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-56599 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-56599?: CVE-2026-56599 affects Hcltech Bigfix Service Management. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-56599?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-56599 published?: CVE-2026-56599 was published on 2026-10-01 and last updated on 2026-10-05.

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0134015

Affected products (1)

cpe:2.3:a:hcltech:bigfix_service_management:27:-:*:*:*:*:*:*

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