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VulnerabilityPublished Updated

CVE-2025-59710: biztalk360 · Unrestricted File Upload

Affects biztalk360Source CVE Database V5

0

Not known to be exploited · CVSS 8.8 High : upgrade to 11.5 soon.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 39% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 11.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade biztalk360 to 11.5.

Affected software

ProductAffectedFixed in
NuGetbiztalk360pkg:nuget/biztalk360Other threatsAffected
  • <11.5
Fixed in
  • 11.5

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

If you cannot patch yet, restrict access to the Biztalk360 server to trusted users only and monitor for unauthorized file uploads. Avoid exposing the application to untrusted networks or users. Follow vendor communications closely for updates on patches or mitigations.

Description

An issue was discovered in Biztalk360 before 11.5. Because of incorrect access control, any user is able to request the loading a DLL file. During the loading, a method is called. An attacker can craft a malicious DLL, upload it to the server, and use it to achieve remote code execution on the server.

References

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