vLLM vulnerabilities: known CVEs & security history
vLLM · AI / ML · 24 tracked CVEs · 0 actively exploited · updated August 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all vLLM release lines — 24 in total. A CVE here doesn't mean your version is affected — check vLLM's current status and the safe version to run.
Known vLLM CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2026-22778 | critical | 9.8 | 4% | 2026 |
| CVE-2026-48746 | critical | 9.1 | 1% | 2026 |
| CVE-2026-54232 | high | 8.8 | 0% | 2026 |
| CVE-2026-56340 | high | 8.8 | 0% | 2026 |
| CVE-2026-27893 | high | 8.8 | 1% | 2026 |
| CVE-2026-22807 | high | 8.8 | 1% | 2026 |
| CVE-2026-55574 | high | 7.5 | 0% | 2026 |
| CVE-2026-54234 | high | 7.5 | 0% | 2026 |
| CVE-2026-53923 | high | 7.5 | 0% | 2026 |
| CVE-2026-41523 | high | 7.5 | 0% | 2026 |
| CVE-2026-5497 | high | 7.5 | 1% | 2026 |
| CVE-2026-25960 | high | 7.1 | 0% | 2026 |
| CVE-2026-24779 | high | 7.1 | 1% | 2026 |
| CVE-2026-55514 | medium | 6.5 | 0% | 2026 |
| CVE-2026-55646 | medium | 6.5 | 0% | 2026 |
| CVE-2026-54235 | medium | 6.5 | 0% | 2026 |
| CVE-2026-54233 | medium | 6.5 | 0% | 2026 |
| CVE-2026-47155 | medium | 6.5 | 0% | 2026 |
| CVE-2026-44223 | medium | 6.5 | 0% | 2026 |
| CVE-2026-34756 | medium | 6.5 | 0% | 2026 |
| CVE-2026-34755 | medium | 6.5 | 0% | 2026 |
| CVE-2026-34760 | medium | 5.9 | 0% | 2026 |
| CVE-2026-54236 | medium | 5.3 | 1% | 2026 |
| CVE-2025-71379 | medium | 4.3 | 0% | 2026 |
Is my vLLM version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your vLLM version → · Monitor vLLM for new CVEs →
vLLM vulnerabilities — frequently asked
How many known vulnerabilities does vLLM have?
IsItPatched tracks 24 CVEs for vLLM. 2 are critical-severity and 11 high-severity. These span every release line — what matters is whether the version you run is affected.
Does vLLM have any actively-exploited vulnerabilities?
None of vLLM's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe vLLM vulnerability?
Among tracked issues, CVE-2026-22778 (CRITICAL, CVSS 9.8) ranks highest — a CWE-532 weakness.
Is vLLM safe to use?
It depends on the version. The latest supported vLLM release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: vLLM security status · vLLM end-of-life · actively-exploited CVEs. Always verify against vLLM's advisories — see our disclaimer.