CVE-2025-59711: An issue was discovered in Biztalk360 before 11.5

Q: How do I fix CVE-2025-59711?

biztalk360: upgrade to 11.6.3963.2611. Exact commands for each OS are on this page.

Q: Is CVE-2025-59711 being exploited?

CVE-2025-59711 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-59711 affect?

CVE-2025-59711 affects biztalk360. Severity is high (CVSS 8.3). An issue was discovered in Biztalk360 before 11.5. Because of mishandling of user-provided input in an upload mechanism, an authenticated attacker is able to write files outside of the destination directory and/or coerce an authentication f

This month

HIGH 8.3UPGRADE

CVE-2025-59711 is a high-severity flaw (CVSS 8.3) affecting biztalk360. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Biztalk360 before 11.5. Because of mishandling of user-provided input in an upload mechanism, an authenticated attacker is able to write files outside of the destination directory and/or coerce an authentication from the service, aka Directory Traversal.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 49%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-04-03
Last modified	2026-07-24

Publisher (CNA): MITRE · Vendor: kovai

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-03 15:16 UTCPublished CVE record published
2026-07-24 21:10 UTCUpdated Record last modified

kovai biztalk360 UPGRADE

Affected: < 11.6.3963.2611

Fixed in: 11.6.3963.2611

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy biztalk360 || rpm -q biztalk360 || biztalk360 --version

2. UPGRADE to 11.6.3963.2611 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade biztalk360

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade biztalk360

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-59711?

biztalk360: upgrade to 11.6.3963.2611. Exact commands for each OS are on this page.

Is CVE-2025-59711 being exploited?

CVE-2025-59711 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-59711 affect?

CVE-2025-59711 affects biztalk360. Severity is high (CVSS 8.3). An issue was discovered in Biztalk360 before 11.5. Because of mishandling of user-provided input in an upload mechanism, an authenticated attacker is able to write files outside of the destination directory and/or coerce an authentication f

How urgent is CVE-2025-59711?

Priority 42/100. High severity

Related CVEs

CVE-2025-59710 HIGH 8.8 UPGRADE An issue was discovered in Biztalk360 before 11.5
CVE-2025-59709 MEDIUM 6.8 UPGRADE An issue was discovered in Biztalk360 through 11.5

References

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