CVE-2026-56599: bigfix service — Fix

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.

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CVSS v3.1 Score

2.2

LOW

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N

EPSS — Exploit Prediction

0.0006

Probability of exploitation

0.00%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-614 CWE-614

Affected Products

Vendor	Product	Versions
hcltech	bigfix_service_management	All

References

Advisories & Patches

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

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. It has a CVSS v3.1 base score of 2.2 (LOW).

How severe is CVE-2026-56599? +

CVE-2026-56599 has a CVSS v3.1 score of 2.2 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0006, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-56599? +

CVE-2026-56599 affects products from hcltech, specifically: bigfix_service_management. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-56599? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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