HCL BigFix is a widely used enterprise endpoint/IT management product; SSRF enabling access to internal systems can lead to data theft, lateral movement and major IT impact.
CVE-2026-67101
SSRF in HCL BigFix allows server-side requests to internal resources.
Is CVE-2026-67101 being exploited?
Not confirmed. CVE-2026-67101 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.26% probability of exploitation in the next 30 days.
How severe is CVE-2026-67101?
CVE-2026-67101 is rated Critical with a CVSS score of 9.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-67101?
Yes. A fix has been recorded for CVE-2026-67101. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-67101 affect?
CVE-2026-67101 affects HCL BigFix Service Management. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-67101?
Apply vendor update/mitigations; block/validate outbound requests and segment BigFix.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
SSRF lets an attacker force the BigFix server to query internal systems, enabling data access, internal service compromise, port scanning and lateral movement.
Immediate action required
- affectedV23
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.
cisa ssvc
- exploitation
- none
- automatable
- yes
- technical impact
- partial
Assessed by CISA 21 Sept 2026 (SSVC 2.0.3).
timeline
- 18 Sept 2026Published
- 19 Sept 2026Analysed by vulneraibility.com · 1 day later
- 21 Sept 2026CISA SSVC assessment: exploitation none · 2 days later
- 21 Sept 2026CVE record last updated · same day later
- Linksupport.hcl-software.com /csm?id=kb_article&sysparm_article=KB0133782
sources
- CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
- NVD: CVSS and CPE data
- CISA Vulnrichment (ADP): SSVC decision points
- FIRST EPSS: exploit probability and percentile
- Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.