Report · SecurityWeekAbout CVE-2026-1731Published 13 Feb 2026

BeyondTrust Vulnerability Targeted by Hackers Within 24 Hours of PoC Release

Source SecurityWeek

Authoritative record:CVE-2026-1731· Critical 9.9

Exploited in the wild · KEV due 16 Feb 2026 · public exploit available (Metasploit) : apply the vendor's fix or mitigations to Remote Support(RS) & Privileged Remote Access(PRA) now.

Data as of 16 Feb 2026, 13:39 UTC

CVSS base score

9.9Critical

How severe the flaw is on the 0–10 CVSS scale.

KEV deadline: 16 Feb 2026 US federal agencies must patch by this date; a sensible deadline for everyone else.

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

Disclosed: evidence found.
CVE published 6 Feb 2026
Detectable: evidence found.
nuclei template: BeyondTrust Remote Support - Unauthenticated WebSocket RCE
Weaponised: evidence found.
1 Metasploit module
Exploited in the wildExploited: evidence found.
Listed in CISA KEV 7 days after disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

CVE ID reserved
by BT
2026-01-3123:54Z, 6 days before disclosure
CVE published
on cve.org
2026-02-0621:49Z, t = 0
In Threat Radar
record ingested
2026-02-0622:00Z, 11 minutes after disclosure
Added to CISA KEV (opens in a new tab)
exploitation confirmed · ransomware use known
2026-02-13, 7 days after disclosure
KEV remediation due
US federal deadline
2026-02-16, 10 days after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

remote

What to do

Affected software

Product	Affected	Fixed in
BeyondTrustRemote Support(RS) & Privileged Remote Access(PRA)	Affected =0	Fixed in–

AI-suggested

1. Immediately implement network-level access controls to restrict exposure of BeyondTrust Remote Support services to trusted internal networks only, blocking all unnecessary inbound traffic from the internet. 2. Monitor network traffic and system logs for indicators of compromise or unusual activity related to BeyondTrust Remote Support, including unexpected connections or command execution attempts. 3. Apply any available vendor patches or security updates as soon as they are released by BeyondTrust. 4. If patches are not yet available, consider temporarily disabling or uninstalling BeyondTrust Remote Support or replacing it with alternative secure remote support solutions. 5. Employ application-layer firewalls or intrusion prevention systems (IPS) with signatures targeting exploitation attempts of CVE-2026-1731. 6. Conduct thorough asset inventory to identify all instances of BeyondTrust Remote Support within the organization. 7. Educate IT and security teams about the vulnerability and the importance of rapid response. 8. Implement strict segmentation between remote support tools and critical infrastructure to limit lateral movement in case of compromise. 9. Regularly back up critical data and verify restoration procedures to minimize impact from potential ransomware or destructive attacks following exploitation.

Description

Exploitation attempts target CVE-2026-1731, a critical unauthenticated remote code execution flaw in BeyondTrust Remote Support. The post BeyondTrust Vulnerability Targeted by Hackers Within 24 Hours of PoC Release appeared first on SecurityWeek .

Impact

For European organizations, the exploitation of CVE-2026-1731 could result in severe operational disruptions, data breaches, and unauthorized access to sensitive information. Organizations relying on BeyondTrust Remote Support for IT service management, especially in sectors such as finance, healthcare, government, and critical infrastructure, face heightened risks. Successful exploitation could allow attackers to deploy malware, exfiltrate data, or move laterally within networks, potentially compromising entire enterprise environments. The unauthenticated nature of the vulnerability means attackers can exploit it remotely without needing valid credentials, increasing the likelihood of attacks from external threat actors, including cybercriminals and nation-state actors. The rapid exploitation attempts observed shortly after PoC release suggest that attackers are actively scanning for vulnerable systems, increasing the risk for unpatched organizations. This could lead to increased incident response costs, reputational damage, and regulatory penalties under GDPR if personal data is compromised. The impact is exacerbated in environments where BeyondTrust Remote Support is exposed to the internet or poorly segmented from critical assets.

Metasploit modules

BeyondTrust Privileged Remote Access (PRA) and Remote Support (RS) unauthenticated Remote Code Executionexploit · Excellent (opens in a new tab)

Nuclei detection templates

BeyondTrust Remote Support - Unauthenticated WebSocket RCEcritical (opens in a new tab)

Public tooling indexed from Metasploit Framework, Exploit-DB and ProjectDiscovery nuclei-templates. Its existence raises the odds of exploitation; it does not confirm attacks.

References

securityweek.com/beyondtrust-vulnerability-targeted-by-hackers-within-24-hours-of-poc-release/ (opens in a new tab)

Community reviews

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Exploitation evidence

Timeline

What to do

Affected software

Description

AI analysisMachine-generated, updated 13 Feb 2026, 11:03 UTC

Public exploits and detection1 Metasploit module, a Nuclei detection template

References

Community reviews

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