CVE-2026-21824
Privilege escalation in HCL Commerce enabling admin takeover, data disclosure, and DoS.
Is CVE-2026-21824 being exploited?
Not confirmed. CVE-2026-21824 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 0.42% probability of exploitation in the next 30 days.
How severe is CVE-2026-21824?
CVE-2026-21824 is rated High with a CVSS score of 8.8. 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-2026-21824?
Not known from our data. No patch reference has been recorded for CVE-2026-21824, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-21824 affect?
CVE-2026-21824 affects HCL Commerce. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-21824?
Apply vendor patch when released; restrict admin access and monitor logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attackers can escalate privileges to perform unauthorized admin actions, exfiltrate user PII, and cause service disruption (DoS).
Patch when possible
- affected7, 8.x, 9.0 - 9.0.1.21, 9.1.0 - 9.1.19,
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.