Is CVE-2026-27559 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-27559 being exploited in the wild.

How severe is CVE-2026-27559?

High severity, with a CVSS score of 8.8, published 16 September 2026.

Which products and versions are affected?

Pepperl+Fuchs ICE2-8IOL-G65L-V1D <1.7.4; Pepperl+Fuchs ICE2-8IOL-K45P-RJ45 <1.7.4; Pepperl+Fuchs ICE2-8IOL-K45S-RJ45 <1.7.4; Pepperl+Fuchs ICE2-8IOL1-G65L-V1D <1.7.4; and 5 more.

Is there a fix for CVE-2026-27559?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-27559 attacked?

It is attacked over the network.

Am I affected by CVE-2026-27559?

Check whether you run Pepperl+Fuchs ICE2-8IOL-G65L-V1D, Pepperl+Fuchs ICE2-8IOL-K45P-RJ45, Pepperl+Fuchs ICE2-8IOL-K45S-RJ45 or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-27559: Pepperl+Fuchs ICE2/ICE3 command injection in /api/status/data endpoint

Q: Is there a fix for CVE-2026-27559?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

Q: How is CVE-2026-27559 attacked?

It is attacked over the network.

Q: Am I affected by CVE-2026-27559?

Check whether you run Pepperl+Fuchs ICE2-8IOL-G65L-V1D, Pepperl+Fuchs ICE2-8IOL-K45P-RJ45, Pepperl+Fuchs ICE2-8IOL-K45S-RJ45 or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-27559 · Severity: high · CVSS 8.8 · Published 2026-09-16

Pepperl+Fuchs ICE2 and ICE3 industrial Ethernet couplers contain multiple command injection vulnerabilities in their web-based management interface. A low-privileged attacker with valid credentials can execute arbitrary commands with root privileges, allowing complete device compromise including data theft, device manipulation, and persistence across reboots.

Technologies: Pepperl+Fuchs ICE2-8IOL-G65L-V1D, Pepperl+Fuchs ICE2-8IOL-K45P-RJ45, Pepperl+Fuchs ICE2-8IOL-K45S-RJ45, Pepperl+Fuchs ICE2-8IOL1-G65L-V1D, Pepperl+Fuchs ICE3-8IOL-G65L-V1D, Pepperl+Fuchs ICE3-8IOL-G65L-V1D-Y, Pepperl+Fuchs ICE3-8IOL-K45P-RJ45, Pepperl+Fuchs ICE3-8IOL-K45S-RJ45, Pepperl+Fuchs ICE3-8IOL1-G65L-V1D. Vendors: Pepperl+Fuchs.

Quick answers

Is CVE-2026-27559 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-27559 being exploited in the wild.
How severe is CVE-2026-27559?: High severity, with a CVSS score of 8.8, published 16 September 2026.
Which products and versions are affected?: Pepperl+Fuchs ICE2-8IOL-G65L-V1D <1.7.4; Pepperl+Fuchs ICE2-8IOL-K45P-RJ45 <1.7.4; Pepperl+Fuchs ICE2-8IOL-K45S-RJ45 <1.7.4; Pepperl+Fuchs ICE2-8IOL1-G65L-V1D <1.7.4; and 5 more.
Is there a fix for CVE-2026-27559?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-27559 attacked?: It is attacked over the network.
Am I affected by CVE-2026-27559?: Check whether you run Pepperl+Fuchs ICE2-8IOL-G65L-V1D, Pepperl+Fuchs ICE2-8IOL-K45P-RJ45, Pepperl+Fuchs ICE2-8IOL-K45S-RJ45 or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability is a classic OS command injection (CWE-78) in the /api/status/data endpoint and multiple other PHP-based endpoints (_account_log, various /index.php/ajax/* paths) within the device's web interface. The vulnerable component fails to properly neutralize user-supplied input before passing it to shell command execution. Exploitation requires valid user or operator credentials and network access to the management interface. An authenticated attacker can inject shell metacharacters to execute arbitrary code with root privileges. The advisory confirms multiple variants across different endpoints (CVE-2026-27547 through CVE-2026-27551, CVE-2026-27554) with consistent CVSS 8.8 scores. Patches addressing these issues are available in firmware version 1.7.4 and later.

Affected products

Pepperl+Fuchs ICE2-8IOL-G65L-V1D <1.7.4
Pepperl+Fuchs ICE2-8IOL-K45P-RJ45 <1.7.4
Pepperl+Fuchs ICE2-8IOL-K45S-RJ45 <1.7.4
Pepperl+Fuchs ICE2-8IOL1-G65L-V1D <1.7.4
Pepperl+Fuchs ICE3-8IOL-G65L-V1D <1.7.4
Pepperl+Fuchs ICE3-8IOL-G65L-V1D-Y <1.7.4
Pepperl+Fuchs ICE3-8IOL-K45P-RJ45 <1.7.4
Pepperl+Fuchs ICE3-8IOL-K45S-RJ45 <1.7.4
Pepperl+Fuchs ICE3-8IOL1-G65L-V1D <1.7.4

Timeline

2026-09-16: disclosed

References

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