CVE-2026-16632boazsegev facil.io WebSocket Frame websocket_parser.h websocket_on_protocol_error input validation
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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A flaw has been found in boazsegev facil.io up to 0.7.4. Affected is the function websocket_on_protocol_error in the library lib/facil/http/parsers/websocket_parser.h of the component WebSocket Frame Parser. This manipulation of the argument on_message causes improper input validation. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
- CVSS
- 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-20
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Jul 23, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
boazsegev facil.io boazsegev:facil.io | 0.7.0; 0.7.1; 0.7.2; 0.7.3; 0.7.4 | CNA record |
References
- https://vuldb.com/vuln/382382vdb-entry, technical-description
- https://vuldb.com/vuln/382382/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-16632third-party-advisory
- https://vuldb.com/submit/860585third-party-advisory
- https://github.com/boazsegev/facil.io/issues/169exploit, issue-tracking
- https://github.com/boazsegev/facil.io/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.