CVE-2026-42197
Stored XSS in RELATE admin UI lets enrolled users run JS in admin session.
Is CVE-2026-42197 being exploited?
Not confirmed. CVE-2026-42197 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 0.31% probability of exploitation in the next 30 days.
How severe is CVE-2026-42197?
CVE-2026-42197 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-2026-42197?
Yes. A fix has been recorded for CVE-2026-42197. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-42197 affect?
CVE-2026-42197 affects RELATE courseware (web). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-42197?
Upgrade to patched RELATE version and ensure input sanitization.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated user can execute arbitrary JS in admin's browser, potentially hijacking the admin account.
Patch when possible
- affected< 555f0efb1c5bd7531c07cd73724d7e566a81f620
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.