SignalWire
SignalWire FreeSwitch Code Injection Vulnerability
At a glance
Actively exploited in the wild — prioritise confirming exposure.
Medium rather than High: exposure is scored at a default because we cannot see your systems or suppliers. If you run or depend on SignalWire FreeSwitch, treat it as High.
Briefing
There is no written leader briefing for this story yet. These questions come from the facts we hold.
Questions to ask IT
- Do we run SignalWire FreeSwitch, and is every instance on version 1.11.3 or later?
- Is any of it reachable from the internet?
- Have we checked whether it has already been used against us?
- If it is not yet patched, what mitigation is in place, and will the fix be done by 16 Nov?
Next steps
- Confirm exposure and remediation status for affected products
Vulnerability facts
Full CVE detail CVE-2026-116779- 9.8 · CriticalExploitable over the network without any account, and no one has to click or open anything. High impact on confidentiality, integrity and availability.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Listed: attacks using it have been seen (on the catalogue since )
- ~1.3% estimated chance of attack in 30 days
- Before 1.11.3
- 1.11.3
Versions are as the CVE record states them; check the vendor advisory before planning a fix.
No technical write-up beyond these facts and the summary below yet.
Next steps
- Confirm whether affected products/versions are present and prioritise patching or mitigations
Summary
- SignalWire FreeSwitch contains a code injection vulnerability that permits configuration and credential disclosure, arbitrary call control, and command execution.
- CVE-2026-116779 is confirmed as exploited in the wild (US known-exploited catalogue)
- CVE-2026-116779 has an estimated ~1.3% chance of attack in 30 days (70.6th percentile) as of 2026-11-09 — probability signal, not confirmed exploitation
- Authoritative catalogues report active exploitation of this vulnerability.
Products and services involved
- SignalWire FreeSwitch88% match confidence · CVE-2026-116779
Part of SignalWire FreeSwitch Code Injection Vulnerability
Pulse
Last change 54m ago · Next recheck 10 Nov 2026, 03:03 UK time
- Story9 Nov 2026, 21:03 UK time · 54m ago
Linked reporting from CISA (official authority).
Read source (CISA Known Exploited Vulnerabilities)
1 entry so far. The timeline chart appears once this story has more history.
Sources
SignalWire FreeSwitch Code Injection Vulnerability
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ConfirmedHeadline90% confidence
SignalWire FreeSwitch Code Injection Vulnerability
- ConfirmedSummary fact75% confidence
SignalWire FreeSwitch contains a code injection vulnerability that permits configuration and credential disclosure, arbitrary call control, and command execution.
- ConfirmedCVE identifier95% confidence
Event involves CVE-2026-116779
- ConfirmedKnown-exploited catalogue98% confidence
CVE-2026-116779 is confirmed as exploited in the wild (US known-exploited catalogue)
- ConfirmedEstimated attack likelihood95% confidence
CVE-2026-116779 has an estimated ~1.3% chance of attack in 30 days (70.6th percentile) as of 2026-11-09 — probability signal, not confirmed exploitation