Event Monitor Cyber
EM-20261103-FUFI VulnerabilityHigh severity

Metalama Vulnerability (CVE-2026-62848)

CVE-2026-62848

Status
Developing

Since : signals keep joining.

First Signal
Oct 30 21:17 UTCC6 NVD CVE API 2.0
Page Born
Nov 03 16:37 UTCsecond source joined
Last Signal
Nov 03 16:37 UTC24 hours before snapshot
Sources
20 official · 2 research, news or crowd
Open For
5 daysso far

Life Of This Page

  1. 1
    Born
    A second, independent source names it.
  2. 2
    Developing · Now
    New signals join; severity can move.
  3. 3
    Confirmed
    Not yet
    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 address and ID never change. 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
    Oct 30 21:17 UTC
    C6 NVD published
  2. Scored: reached
    Oct 30 21:17 UTC
    CVSS 7.3 · EPSS 0.2%
  3. Exploited: not yet
    Not yet
    No exploitation reported
  4. Advisories: not yet
    Not yet
    None yet
  5. Vendor Response: not yet
    Not yet
    None in sources yet
  6. Resolved: not yet
    Not yet
    After 14 quiet days

Timeline

Oct 3112:00Nov 112:00Nov 212:00Nov 312:00Nov 4BornC6 NVD CVE API 2.0C26 GitHub Advisory Database

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

Signals

  1. GHSA-h26j-4vp7-x9w2 / CVE-2026-62848: Metalama: Unsafe deserialization over Metalama's Visual Studio inter-process named pipe enables local code execution (opens source in a new tab) nuget:Metalama.Framework, nuget:Metalama.Framework, nuget:Metalama.Framework High severityDatabaseC26 GitHub Advisory Database
  2. CVE-2026-62848 (CVSS 7.3) (opens source in a new tab) Metalama is a Roslyn-based open-source patterns and architecture toolkit for C#. From 2023.0.101-rc until 2025.1.18, 2026.0.25 and 2026.1.19, the Windows Visual Studio integration deserializes local named-pipe messages w… High severityDatabaseC6 NVD CVE API 2.0