CVE-2025-31978 HCL BigFix Service Management (SM) does not adequately sanitize or safely render

Medium 4.6 Published 6 May 2026 Updated 6 May 2026

Attackers can inject malicious formulas into spreadsheet exports, potentially causing data exfiltration or code execution when opened by users.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2025-31978?

CVE-2025-31978 is a medium-severity vulnerability in HCL Software BigFix Service Management (SM), published on 6 May 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

HCL BigFix Service Management (SM) does not adequately sanitize or safely render spreadsheet files (CSV, XLS, XLSX) before processing or distributing them. An attacker could populate data fields which, when saved to a CSV file, may attempt information exfiltration or other malicious activity when automatically executed by the spreadsheet software. Note that current versions of Excel warn users of untrusted content.

Weakness: CWE-201

Which versions are affected by CVE-2025-31978?

It affects 1 product.

Products include Hcltech Bigfix Service Management.

How do I fix CVE-2025-31978?

No fix has been published for CVE-2025-31978 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-31978 being exploited?

There is no known exploitation of CVE-2025-31978 in the wild and no public exploit code.

Sources

Also known as GHSA-636m-32xr-g349.