CVE-2026-73614
Input-truncation bypass in ClaudeHookBridge enables command execution via payload after 500 bytes.
Is CVE-2026-73614 being exploited?
Not confirmed. CVE-2026-73614 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 0.45% probability of exploitation in the next 30 days.
How severe is CVE-2026-73614?
CVE-2026-73614 is rated High with a CVSS score of 8.7. 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-2026-73614?
Yes. A fix has been recorded for CVE-2026-73614. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-73614 affect?
CVE-2026-73614 affects ClaudeHookBridge < 5.15.1, Claude Code module integrations that execute commands. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-73614?
Upgrade ClaudeHookBridge to >=5.15.1; validate/sanitize command inputs and restrict access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Bypass denyPatterns by placing payload after byte 500 in a Bash command field, enabling arbitrary command execution on affected hosts.
Immediate action required
- affected< 5.15.1
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.