CVE-2026-34953
Auth bypass in PraisonAI allows any Bearer token to authenticate.
Is CVE-2026-34953 being exploited?
Not confirmed. CVE-2026-34953 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 0.38% probability of exploitation in the next 30 days.
How severe is CVE-2026-34953?
CVE-2026-34953 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-2026-34953?
Yes. A fix has been recorded for CVE-2026-34953. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-34953 affect?
CVE-2026-34953 affects PraisonAI MCP server. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-34953?
Upgrade to v4.5.97+ to fix auth bypass.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Bearer-token auth bypass allows attacker to access MCP server with arbitrary token and full tool/agent control.
Immediate action required
- affected< 4.5.97
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.