CVE-2026-24838
RCE in DotNetNuke via richtext in module titles (pre-9.13.10/10.2.0).
Is CVE-2026-24838 being exploited?
Not confirmed. CVE-2026-24838 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 0.20% probability of exploitation in the next 30 days.
How severe is CVE-2026-24838?
CVE-2026-24838 is rated Critical with a CVSS score of 9.1. 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-2026-24838?
Yes. A fix has been recorded for CVE-2026-24838. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-24838 affect?
CVE-2026-24838 affects DotNetNuke (DNN) pre-9.13.10, pre-10.2.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-24838?
Patch to 9.13.10 or 10.2.0+ immediately
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
RCE via crafted richtext in module titles; attacker can execute code on the server within DNN context.
Patch when possible
- affected< 9.13.10
- affected>= 10.0.0 and < 10.2.0
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.