How severe is CVE-2026-12104?

CVE-2026-12104 has a CVSS 4.0 base score of 8.6, rated high severity.

Is CVE-2026-12104 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-12104?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-12104 have an EU (EUVD) identifier?

Yes. CVE-2026-12104 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38031.

When was CVE-2026-12104 published?

CVE-2026-12104 was published on 2026-06-19 and last updated on 2026-06-22.

CVE-2026-12104

CVE-2026-12104 is a high-severity vulnerability with a CVSS 4.0 base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 4.0 base score 8.6)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38031
Weakness: CWE-78
Published: 2026-06-19
Last modified: 2026-06-22

Description

OS command injection in the environment and tunnel configuration functionality in SIMA GmbH Bondix through version 1.25.7.5 on Linux allows an authenticated attacker with configuration write access to execute arbitrary operating-system commands via crafted configuration values passed to server-side scripts.

Frequently asked questions

What is CVE-2026-12104?: OS command injection in the environment and tunnel configuration functionality in SIMA GmbH Bondix through version 1.25.7.5 on Linux allows an authenticated attacker with configuration write access to execute arbitrary operating-system commands via crafted configuration values passed to server-side scripts.
How severe is CVE-2026-12104?: CVE-2026-12104 has a CVSS 4.0 base score of 8.6, rated high severity.
Is CVE-2026-12104 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-12104?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-12104 have an EU (EUVD) identifier?: Yes. CVE-2026-12104 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38031.
When was CVE-2026-12104 published?: CVE-2026-12104 was published on 2026-06-19 and last updated on 2026-06-22.

References

Other CWE-78 (OS Command Injection) vulnerabilities

CVE-2026-56004 — Critical (CVSS 10.0): A shellcode injection in the mercurial handler of the obs tar_scm source service before version 0.12.4 could be used by…
CVE-2026-56415 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability within the debug.pl script that is…
CVE-2026-56413 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability in the ms_service.pl service, which listens…
CVE-2026-49869 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, AuthenticationFilter in…
CVE-2026-49261 — Critical (CVSS 10.0): MariaDB server is a community developed fork of MySQL server. Versions 10.6.1 through 10.6.26, 10.11.1 through…
CVE-2026-10520 — Critical (CVSS 10.0): An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a…

Browse all CWE-78 (OS Command Injection) vulnerabilities →