Event Monitor Cyber
EM-20261109-YBDK VulnerabilityCritical severity

SignalWire FreeSwitch Code Injection Vulnerability

CVE-2026-116779 · SignalWire FreeSwitch

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88 hours from first report to confirmed exploitation.

Status
Confirmed

Since : CISA added it to Known Exploited Vulnerabilities.

First Signal
Nov 05 20:17 UTCC6 NVD CVE API 2.0
Page Born
Nov 09 12:00 UTCsecond source joined
Last Signal
Nov 09 12:00 UTC14 hours before snapshot
Sources
32 official · 1 research, news or crowd
Open For
4 daysso far

Life Of This Page

  1. 1
    Born
    A second, independent source names it.
  2. 2
    Developing
    New signals join; severity can move.
  3. 3
    Confirmed · Now
    CISA KEV lists it, or exploitation in the wild is reported.
  4. 4
    Resolved
    Not yet
    Past the fix deadline and 14 days with no new signal.
  5. 5
    Archived
    Not yet
    30 days after resolved. Read only; the link keeps working. Reopens if it comes back.

The ID never changes, and earlier addresses keep working. A correction is logged, never overwritten. If two pages turn out to be one incident, the later one points to the earlier.

Vulnerability Lifecycle

  1. Disclosed: reached
    Nov 05 20:17 UTC
    C6 NVD published
  2. Scored: reached
    Nov 05 20:17 UTC
    CVSS 9.8 · EPSS 1.3%
  3. Exploited: reached
    Nov 09 12:00 UTC
    C1 CISA KEV, fix by Nov 12
  4. Advisories: reached
    Nov 09 12:00 UTC
    1 government and CERT sources
  5. Vendor Response: not yet
    Not yet
    None in sources yet
  6. Resolved: not yet
    Not yet
    When fixed: KEV deadline Nov 12, then 14 quiet days

Timeline

Nov 612:00Nov 712:00Nov 812:00Nov 912:00BornC6 NVD CVE API 2.0C1 CISA Known Exploited VulnerabilitC2 CISA Cybersecurity Advisories

Point at a mark to read it. Squares are signals, colored by severity; every one is also listed under Signals.

Signals

  1. CISA Adds Four Known Exploited Vulnerabilities to Catalog (opens source in a new tab) CISA has added four new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-102895 GPUStack Improper Authentication Vulnerability CVE-2026-116779… High severityGovernmentC2 CISA Cybersecurity Advisories
  2. CVE-2026-116779 added to KEV: SignalWire FreeSwitch Code Injection Vulnerability (opens source in a new tab) SignalWire FreeSwitch contains a code injection vulnerability that permits configuration and credential disclosure, arbitrary call control, and command execution. High severityExploited ListC1 CISA Known Exploited Vulnerabilities
  3. CVE-2026-116779 (CVSS 9.8) (opens source in a new tab) FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to 1.11.3… Crit severityDatabaseC6 NVD CVE API 2.0