CVE-2026-22034
RCE via multipart uploads in Snuffleupagus pre-0.13.0 with misconfigured upload validation.
Is CVE-2026-22034 being exploited?
Not confirmed. CVE-2026-22034 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 0.72% probability of exploitation in the next 30 days.
How severe is CVE-2026-22034?
CVE-2026-22034 is rated Critical with a CVSS score of 9.2. 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-2026-22034?
Yes. A fix has been recorded for CVE-2026-22034. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-22034 affect?
CVE-2026-22034 affects Snuffleupagus module (pre-0.13.0) with non-default upload validation using VLD. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-22034?
Upgrade to 0.13.0+; fix VLD config or disable non-default upload validation
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
RCE: crafted multipart POST processed as PHP when non-default validation uses VLD and VLD unavailable to CLI SAPI.
Patch when possible
- affected< 0.13.0
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.