CVE-2026-41315
Unauthenticated RCE in mdserver-web frontend (0.18.0–0.18.4) via /modify_crond.
Is CVE-2026-41315 being exploited?
Not confirmed. CVE-2026-41315 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 1.0% probability of exploitation in the next 30 days.
How severe is CVE-2026-41315?
CVE-2026-41315 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-2026-41315?
Yes. A fix has been recorded for CVE-2026-41315. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-41315 affect?
CVE-2026-41315 affects mdserver-web 0.18.0-0.18.4. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-41315?
Upgrade to latest mdserver-web release; restrict unauthenticated access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
RCE via unauthenticated access to /modify_crond and /start_task; attacker can modify tasks and execute commands.
Immediate action required
- affected>= 0.18.0 and <= 0.18.4
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.