CVE-2026-1731
Confirmed PUBLISHEDRemote code execution vulnerability in BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA)
1 day faster than CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
BeyondTrust Remote Support (RS) and certain older versions of Privileged Remote Access (PRA) contain a critical pre-authentication remote code execution vulnerability. By sending specially crafted requests, an unauthenticated remote attacker may be able to execute operating system commands in the context of the site user.
- CVE Published
- Feb 06, 2026
- Exploitation Reported
- Jun 01, 2026
- CVSS
- 9.9 Critical
- EPSS
- 86.1%
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| BeyondTrust |
Remote Support(RS) & Privileged Remote Access(PRA)
|
0 to <= RS 25.3.1 |
Affected |
| BeyondTrust |
Remote Support(RS) & Privileged Remote Access(PRA)
|
0 to <= PRA 24.3.4 |
Affected |
CVE References
- beyondtrustcorp.service-now.com/csm beyondtrustcorp.service-now.com · CVE Record https://beyondtrustcorp.service-now.com/csm?id=csm_kb_article&sysparm...
- beyondtrust.com/trust-center/security-advisories/bt26-02 beyondtrust.com · CVE Record https://www.beyondtrust.com/trust-center/security-advisories/bt26-02
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CVE First | 2026-06-01 10:51 UTC |
| CISA | 2026-06-02 14:03 UTC |
| The Shadowserver | 2026-06-04 13:00 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2026/CVE-2026-1731.yaml | Jun 01, 2026 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:H/SA:L
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
Exploited in the wild
Recorded 2026-06-01 10:51:06 UTC · CVE
Used in malware
Recorded 2026-06-02 14:03:24 UTC · CVE
Proof of concept available
Recorded 2026-02-22 10:05:02 UTC · GitHub
Weaknesses (CWE)
-
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2026/CVE-2026-1731.yaml | Jun 01, 2026 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2026-02-22 10:05:02 UTC · 0 stars
CVE-2026-1731 — BeyondTrust Remote Code Execution Vulnerability
github · Created 2026-02-11 09:18:33 UTC · 32 stars
CVE-2026-1731 - Critical command injection vulnerability in BeyondTrust Remote Support and Privileged Remote Access due to unsafe Bash arithmetic evaluation in a WebSocket-reachable script
nuclei · Created Unknown
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
13:00 UTC about 2 months ago13:00 UTC · about 2 months ago
KEV confirmed by The Shadowserver
Exploitation attested by an external source
-
14:03 UTC about 2 months ago14:03 UTC · about 2 months ago
First public exploitation report
Exploit observed in malware
-
14:03 UTC about 2 months ago14:03 UTC · about 2 months ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
15:34 UTC about 2 months ago15:34 UTC · about 2 months ago
Nuclei template available
Scanner coverage available
-
10:51 UTC about 2 months ago10:51 UTC · about 2 months ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
09:18 UTC 5 months ago09:18 UTC · 5 months ago
Public PoC available
Public proof-of-concept code published
-
21:49 UTC 6 months ago21:49 UTC · 6 months ago
CVE published
Vulnerability disclosed publicly
-
23:54 UTC 6 months ago23:54 UTC · 6 months ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2026-1731
{
"cve_id": "CVE-2026-1731",
"title": "Remote code execution vulnerability in BeyondTrust Remote Support (RS) and Pr...",
"affected_vendor": "BeyondTrust",
"affected_product": "Remote Support(RS) & Privileged Remote Access(PRA)",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 9.9,
"epss_score": 0.86091,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}