CVE-2026-49781
Unauthenticated PHP Object Injection in OttoKit <=1.1.27.
Is CVE-2026-49781 being exploited?
Not confirmed. CVE-2026-49781 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 0.50% probability of exploitation in the next 30 days.
How severe is CVE-2026-49781?
CVE-2026-49781 is rated Critical with a CVSS score of 9.8. 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-2026-49781?
Not known from our data. No patch reference has been recorded for CVE-2026-49781, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-49781 affect?
CVE-2026-49781 affects OttoKit <= 1.1.27. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-49781?
Upgrade OttoKit to latest version or patch when available
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution via unauthenticated PHP object injection; full server compromise on apps using OttoKit <=1.1.27.
Immediate action required
- affected<= 1.1.27
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.