VulnSocial

CVE-2026-5379Disclosure(runzero / runzero_platform)

LOWCVSS 3.0 · LOW

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch runzero runzero_platform systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

An issue that allowed MCP agents to access certificate information from outside of their authorized organization scope has been resolved. This is an instance of CWE-863: Incorrect Authorization, and has an estimated CVSS score of CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N (3.0 Low). This issue was fixed in version 4.0.260203.0 of the runZero Platform.

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0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-863

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • runzero_platform

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 2 mentions (2026-04-07); latest day: 1
  • 3 total mentions across 2 days

Affected systems

Vendors
runzero
Products
runzero_platform

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-04-07: 2Mentions · 2026-04-11: 1Patch / Workaround · 2026-04-11: 1Technical Details · 2026-04-07: 204-0704-11
Signal classification2 categories
Disclosure
266.7%
Patch
133.3%
Referenced assets2 URLs
By indicator
Classification over time
DateTotalLabels
2026-04-072
Disclosure2
2026-04-111
Patch1
Full discourse3 posts
  • cafe-au-lait@cafe_au_laitsss
    Patch

    - CVE-2026-5379 published April 7, 2026. - RunZero fixed issue in version 4.0.260203.0. - No public proof-of-concept or exploitation evidence.

    Post summary

    CVE-2026-5379 was disclosed on April 7, 2026, and RunZero addressed it in version 4.0.260203.0; no public PoC or exploitation evidence has been reported.

    1000054
    178 followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-5379 An issue that allowed MCP agents to access certificate information from outside of their authorized organization scope has been resolved. This is an instance of CWE-863… https://www.cve.org/CVERecord?id=CVE-2026-5379 ----- Traducción: CVE-2026-5379 Se … http://infoflow.cloud`

    Post summary

    The tweet announces CVE‑2026‑5379, describing how MCP agents could improperly access certificates beyond their scope, and notes that the issue has been resolved.

    0000031
    67 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-5379 An issue that allowed MCP agents to access certificate information from outside of their authorized organization scope has been resolved. This is an instance of CWE-863… https://www.cve.org/CVERecord?id=CVE-2026-5379

    Post summary

    CVE‑2026‑5379, which allowed MCP agents to read external certificate information (CWE‑863), has been resolved, but no patch details, exploit code, or PoC are provided.

    00000317
    57.0K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Apprunzerorunzero_platform---

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