CVE-2026-40502
Remote command injection via chat in OpenHarness gateway.
Is CVE-2026-40502 being exploited?
Not confirmed. CVE-2026-40502 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 1.7% probability of exploitation in the next 30 days.
How severe is CVE-2026-40502?
CVE-2026-40502 is rated High with a CVSS score of 8.7. 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-2026-40502?
Yes. A fix has been recorded for CVE-2026-40502. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-40502 affect?
CVE-2026-40502 affects OpenHarness Gateway, OpenHarness Platform. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-40502?
Upgrade to patched OpenHarness; restrict gateway chat access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attacker with chat access can execute admin commands and change permissions without operator auth.
Patch when possible
- affected< dd1d235450dd987b20bff01b7bfb02fe8620a0af
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.