Vulnerability report

Active exploitation observed Confirmed confidence In CISA KEV

CVE-2026-10520

Sentry Command Injection

Ivanti / Sentry · R10.5.2

View live feed Monitor via API Watch CVE-2026-10520
Severity
CVSS 10.0 · Critical
Confidence
Confirmed
Exploit status
Observed in sensors
EPSS
99.9%
First observed
10 Jun 2026
Last observed
10 Sep 2026

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2026-10520 is an unauthenticated vulnerability affecting Ivanti Sentry. An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a remote unauthenticated user...

Is it exploited?

Yes. Previdian sensors observed exploitation attempts with confirmed confidence. Listed in CISA KEV. Also confirmed by third-party sources.

Who is affected?

Ivanti / Sentry r10.5.2.

What should we do?

Patch immediately, validate internet-facing exposure, and monitor for matching requests.

Overview

Sentry Command Injection

An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a remote unauthenticated user to achieve root-level remote code execution

Vendor Product Affected Status
ivanti Sentry R10.5.2 Unaffected
ivanti Sentry R10.6.2 Unaffected
ivanti Sentry R10.7.1 Unaffected
Published
09 Jun 2026
Exploited Since
10 Jun 2026
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

edge nuclei_scanner cisa

CVE References

Exploitation evidence

Why Previdian marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

Defused Cyber

Recorded 10 Jun 2026

A trusted third party reported exploitation.

Active exploitation observed

Previdian sensor

First observed 10 Jun 2026

Previdian first observed exploitation attempts targeting this vulnerability in our honeypot sensors.

Proof of concept available

GitHub

Recorded 10 Jun 2026

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

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Source Added
Defused Cyber First 2026-06-10 09:50 UTC
Previdian 2026-06-10 15:02 UTC
The Shadowserver 2026-06-11 00:00 UTC
CISA 2026-06-11 19:18 UTC
CVE 2026-06-11 19:50 UTC
All CISA Advisories 2026-06-11 20:20 UTC
Rapid7 2026-06-12 09:21 UTC

Operational indicators for this CVE are listed under Detection.

Sensor telemetry

First-party evidence of exploitation activity

Previdian sensors recorded exploitation attempts targeting this vulnerability. The cards and chart show volume, unique attackers, and daily activity.

582

Attempts observed

42

Unique attacker IPs

20

Attacker countries

AE · AF · BR · CA · CH · ER · FI · FR · HK · ID · IN · JP · KE · NL · NO · PK · RO · SE · TR · US

12

Sensors observed

CVE-2026-10520 exploitation attempts over the last 91 days

Daily events observed by Previdian sensors

Updated 11 Sep 2026

45
352
56
164
73
41
75
311
98
537
28
13
1
9
60
5
66
67
90
43
4,235
261
3
47
7
0
26
38
74
0
22
0
1
47
4
2
2
14
12
0
0
4
61
117
530
1
1
1
0
0
0
0
77
0
1
0
1
0
3
9
47
14
0
7
7
3
1
1
18
0
89
0
2
88
0
0
5
1
241
1
0
0
2
4
47
0
2
2
6
40
0
13 Jun 2 Jul 21 Jul 9 Aug 11 Sep

First observed 10 Jun 2026 · Last observed 10 Sep 2026

Pro adds sensor region and window summaries. Enterprise adds raw IPs, paths, User-Agents, and payloads.

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Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
User-Agents
Callback hosts
2
33
32

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Virtual patch status

Previdian virtual patch guidance is available for this CVE.

AWS WAF Cloudflare ModSecurity

Attacker IP Indicators

Attacker IP indicators observed · available in Pro and Enterprise.

Sensor-derived attacker IP indicators are available to Pro and Enterprise accounts under Detection and through the Pro API.

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Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-10520.yaml 11 Jun 2026

Virtual Patch Detail

Compensating WAF rules for this CVE.

Available

Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to Previdian Enterprise users.

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Risk and context

Severity, weaknesses, and research context

CVSS v3.1

10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS

99.9%

Weaknesses

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE-78

Recent mention · All CISA Advisories

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-10520 Ivanti Sentry OS Command Injection Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber...

Read full advisory

All Mentions

Recent mention · All CISA Advisories

CISA Adds One Known Exploited Vulnerability to Catalog

All CISA Advisories · 11 Jun 2026

CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-10520 Ivanti Sentry OS Command Injection Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise. Binding Operational Directive (BOD) 26-04: Prioritizing Security Updates Based on Risk establishes vulnerability management requirements for Federal Civilian Executive Branch (FCEB) agencies, updating BOD 22-01. BOD 26-04 reinforces the importance of the KEV...

Recent mention · Rapid7

CVE-2026-10520, CVE-2026-10523 - Multiple critical vulnerabilities affecting Ivanti Sentry

Rapid7 · 10 Jun 2026

OverviewOn June 9, 2026, Ivanti published a security advisory for two critical vulnerabilities affecting Ivanti Sentry (formerly known as MobileIron Sentry), which per the vendor website is an “in-line gateway that manages, encrypts, and secures traffic between the mobile device and back-end enterprise systems”. The most severe issue, CVE-2026-10520, is an OS command injection vulnerability with a CVSS score of 10.0 that allows a remote unauthenticated attacker to achieve remote code execution (RCE) with root privileges. The second vulnerability, CVE-2026-10523, is an authentication bypass...

Recent mention · watchTowr

More Evidence That Words Don't Mean What We Thought They Meant (Ivanti Sentry Pre-Auth OS Command Injection CVE-2026-10520)

watchTowr · 10 Jun 2026

Today, Ivanti published an advisory.“No way?” we hear you say. "Yes way!" a random dog screams back at you, across the street.Today’s rare advisory outlines two vulnerabilities in Ivanti’s Sentry product, appealing directly to our inner desire for sophisticated server-side,

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

imbas007/RCE-CVE-2026-10520-CVE-2026-10523

github · Created 2026-08-24 13:19:03 UTC · 0 stars · AI assessment 85%

An Ivanti Sentry Authentication Bypass and Remote Code Execution Detection Artifact Generator

public · Created 2026-06-10 01:00:00 UTC

Ivanti Sentry - OS Command Injection

nuclei · Created Unknown

Timeline

From disclosure to observed exploitation

  1. Virtual patch available

    Compensating WAF rule available to block exploitation

  2. KEV confirmed by Rapid7

    Exploitation attested by an external source

  3. KEV confirmed by All CISA Advisories

    Exploitation attested by an external source

  4. KEV confirmed by CVE

    Exploitation attested by an external source

  5. Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  6. Nuclei template available

    Scanner coverage available

  7. KEV confirmed by The Shadowserver

    Exploitation attested by an external source

  8. Indicators of compromise added (246)

    Indicators of compromise recorded

  9. Observed by Previdian sensors

    Evidence-backed exploitation signal

  10. Added to Previdian KEV Feed

    High-confidence, third-party attested exploitation

  11. Public PoC available

    Public proof-of-concept code published

  12. CVE published

    Vulnerability disclosed publicly

  13. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2026-10520

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2026-10520",
  "confidence": "Confirmed",
  "cvss_score": 10.0,
  "cvss_estimated": false,
  "epss_score": 0.99915,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": true
  },
  "sensor_telemetry": { "attempts": 582, "sensors": 12 }
}