Event Monitor Cyber
EM-20261103-6LT3 VulnerabilityHigh severity

mlflow Vulnerability (CVE-2026-118623)

CVE-2026-118623

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Status
Developing

Since : signals keep joining.

First Signal
Oct 29 05:00 UTCC37 Zero Day Initiative (published)
Page Born
Nov 03 23:45 UTCsecond source joined
Last Signal
Nov 04 00:17 UTC30 hours before snapshot
Sources
31 official · 2 research, news or crowd
Open For
6 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 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 04 00:17 UTC
    C6 NVD published
  2. Scored: reached
    Nov 04 00:17 UTC
    CVSS 7.8 · EPSS 0.4%
  3. Exploited: not yet
    Not yet
    No exploitation reported
  4. Advisories: not yet
    Not yet
    None yet
  5. Vendor Response: reached
    Nov 03 23:45 UTC
    C41 published
  6. Resolved: not yet
    Not yet
    After 14 quiet days

Timeline

Oct 29Oct 30Oct 31Nov 1Nov 2Nov 3Nov 4BornC37 Zero Day Initiative (published)C41 Red Hat Security DataC6 NVD CVE API 2.0

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

Signals

  1. CVE-2026-118623 (CVSS 7.8) (opens source in a new tab) MLflow PickleEvaluationArtifact Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MLflow. User intera… High severityDatabaseC6 NVD CVE API 2.0
  2. Red Hat: CVE-2026-118623 (important) (opens source in a new tab) mlflow: mlflow: Arbitrary code execution via untrusted data deserialization in PickleEvaluationArtifact High severityVendorC41 Red Hat Security Data
  3. ZDI-26-839: MLflow PickleEvaluationArtifact Deserialization of Untrusted Data Remote Code Execution Vulnerability (opens source in a new tab) This vulnerability allows remote attackers to execute arbitrary code on affected installations of MLflow. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open … Med severityResearch & NewsC37 Zero Day Initiative (published)