Langflow vulnerabilities: known CVEs & security history
Langflow · Actively exploited · 34 tracked CVEs · 3 actively exploited · updated June 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Langflow release lines — 34 in total, with 3 actively exploited in the wild. A CVE here doesn't mean your version is affected — check Langflow's current status and the safe version to run.
Known Langflow CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2026-33017⚡ exploited | critical | 9.8 | 98% | 2026 |
| CVE-2025-3248⚡ exploited | critical | 9.8 | 100% | 2025 |
| CVE-2025-34291⚡ exploited | high | 8.8 | 25% | 2025 |
| CVE-2026-33873 | critical | 9.9 | 1% | 2026 |
| CVE-2026-33309 | critical | 9.9 | 1% | 2026 |
| CVE-2026-7524 | critical | 9.8 | 1% | 2026 |
| CVE-2026-27966 | critical | 9.8 | 34% | 2026 |
| CVE-2026-0770 | critical | 9.8 | 10% | 2026 |
| CVE-2026-0769 | critical | 9.8 | 36% | 2026 |
| CVE-2026-0768 | critical | 9.8 | 2% | 2026 |
| CVE-2024-48061 | critical | 9.8 | 1% | 2024 |
| CVE-2024-42835 | critical | 9.8 | 1% | 2024 |
| CVE-2024-37014 | critical | 9.8 | 1% | 2024 |
| CVE-2026-42048 | critical | 9.6 | 1% | 2026 |
| CVE-2026-33475 | critical | 9.1 | 3% | 2026 |
| CVE-2026-21445 | critical | 9.1 | 21% | 2026 |
| CVE-2026-3357 | high | 8.8 | 0% | 2026 |
| CVE-2026-34046 | high | 8.8 | 0% | 2026 |
| CVE-2026-33053 | high | 8.8 | 0% | 2026 |
| CVE-2025-57760 | high | 8.8 | 0% | 2025 |
| CVE-2024-7297 | high | 8.8 | 21% | 2024 |
| CVE-2025-68477 | high | 7.7 | 6% | 2025 |
| CVE-2026-7787 | high | 7.5 | 0% | 2026 |
| CVE-2026-33497 | high | 7.5 | 8% | 2026 |
| CVE-2026-33484 | high | 7.5 | 0% | 2026 |
| CVE-2026-0772 | high | 7.5 | 1% | 2026 |
| CVE-2026-7528 | high | 7.1 | 0% | 2026 |
| CVE-2026-0771 | high | 7.1 | 1% | 2026 |
| CVE-2025-68478 | high | 7.1 | 0% | 2025 |
| CVE-2026-6542 | medium | 6.5 | 0% | 2026 |
| CVE-2026-5025 | medium | 6.5 | 0% | 2026 |
| CVE-2026-5026 | medium | 5.4 | 0% | 2026 |
| CVE-2026-5022 | medium | 5.3 | 0% | 2026 |
| CVE-2024-9277 | low | 3.5 | 1% | 2024 |
Is my Langflow 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 Langflow version → · Monitor Langflow for new CVEs →
Langflow vulnerabilities — frequently asked
How many known vulnerabilities does Langflow have?
IsItPatched tracks 34 CVEs for Langflow, 3 of which are actively exploited (CISA KEV). 15 are critical-severity and 14 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Langflow have any actively-exploited vulnerabilities?
Yes — 3 Langflow CVEs are in CISA's Known Exploited Vulnerabilities catalog, meaning they are confirmed exploited in the wild. Patch these as a priority.
What is the most severe Langflow vulnerability?
Among tracked issues, CVE-2026-33017 (CRITICAL, CVSS 9.8), which is actively exploited, ranks highest — a Code injection weakness.
Is Langflow safe to use?
It depends on the version. The latest supported Langflow 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: Langflow security status · Langflow end-of-life · actively-exploited CVEs. Always verify against Langflow's advisories — see our disclaimer.