CVE-2026-73649
Template injection in Velocity.js enables server-side remote code execution.
Is CVE-2026-73649 being exploited?
Not confirmed. CVE-2026-73649 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-2026-73649?
CVE-2026-73649 is rated Critical. 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-2026-73649?
Yes. A fix has been recorded for CVE-2026-73649. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-73649 affect?
CVE-2026-73649 affects Velocity.js < 2.1.7, Node.js apps using Velocity.js, Server processes rendering untrusted templates. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-73649?
Upgrade to Velocity.js 2.1.7 and audit/sanitize templates; restrict template input.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution via attacker-controlled templates; allows shell execution, environment & cloud-credential access, and internal-network access from the server.
Immediate action required
- affected< 2.1.7
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.