WeeChat vulnerabilities: known CVEs & security history
WeeChat · Comms / IRC · 7 tracked CVEs · 0 actively exploited · updated June 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all WeeChat release lines — 7 in total. A CVE here doesn't mean your version is affected — check WeeChat's current status and the safe version to run.
Known WeeChat CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2024-46613 | critical | 9.8 | 0% | 2024 |
| CVE-2020-9760 | critical | 9.8 | 2% | 2020 |
| CVE-2020-8955 | critical | 9.8 | 4% | 2020 |
| CVE-2021-40516 | high | 7.5 | 2% | 2021 |
| CVE-2017-14727 | high | 7.5 | 3% | 2017 |
| CVE-2017-8073 | high | 7.5 | 3% | 2017 |
| CVE-2022-28352 | medium | 4.3 | 0% | 2022 |
Is my WeeChat 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 WeeChat version → · Monitor WeeChat for new CVEs →
WeeChat vulnerabilities — frequently asked
How many known vulnerabilities does WeeChat have?
IsItPatched tracks 7 CVEs for WeeChat. 3 are critical-severity and 3 high-severity. These span every release line — what matters is whether the version you run is affected.
Does WeeChat have any actively-exploited vulnerabilities?
None of WeeChat'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 WeeChat vulnerability?
Among tracked issues, CVE-2024-46613 (CRITICAL, CVSS 9.8) ranks highest — a Integer overflow weakness.
Is WeeChat safe to use?
It depends on the version. The latest supported WeeChat release (4.9.2) 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: WeeChat security status · WeeChat end-of-life · actively-exploited CVEs. Always verify against WeeChat's advisories — see our disclaimer.