CyberSecBulletin
CVE-2026-27556NVD status: Awaiting Analysis

ICE2-8IOL1-G65L-V1D: Improper Control of Filename for Include/Require Statement in PHP Program

Published Updated By the CyberSecBulletin desk

CVE-2026-27556 is a high-severity improper control of filename for include/require statement in PHP program vulnerability in ICE2-8IOL1-G65L-V1D from Pepperl+Fuchs, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. The record lists version 1.7.4 as the first without the flaw, so updating ICE2-8IOL1-G65L-V1D to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.89% chance of exploitation within 30 days, higher than 60% of scored CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update ICE2-8IOL1-G65L-V1D to 1.7.4 or a later version.
  2. Update ICE2-8IOL-G65L-V1D to 1.7.4 or a later version.
  3. Update ICE2-8IOL-K45P-RJ45 to 1.7.4 or a later version.

Affected products and versions

VendorProductAffected versionsFixed in
Pepperl+FuchsICE2-8IOL1-G65L-V1D1.0.0 up to, but not including, 1.7.41.7.4
Pepperl+FuchsICE2-8IOL-G65L-V1D1.0.0 up to, but not including, 1.7.41.7.4
Pepperl+FuchsICE2-8IOL-K45P-RJ451.0.0 up to, but not including, 1.7.41.7.4
Pepperl+FuchsICE2-8IOL-K45S-RJ451.0.0 up to, but not including, 1.7.41.7.4
Pepperl+FuchsICE3-8IOL1-G65L-V1D1.0.0 up to, but not including, 1.7.41.7.4
Pepperl+FuchsICE3-8IOL-G65L-V1D1.0.0 up to, but not including, 1.7.41.7.4
Pepperl+FuchsICE3-8IOL-G65L-V1D-Y1.0.0 up to, but not including, 1.7.41.7.4
Pepperl+FuchsICE3-8IOL-K45P-RJ451.0.0 up to, but not including, 1.7.41.7.4
Pepperl+FuchsICE3-8IOL-K45S-RJ451.0.0 up to, but not including, 1.7.41.7.4
Phoenix ContactIOL MA8 PN DI81.0.0 up to, but not including, 1.7.41.7.4
Phoenix ContactIOL MA8 EIP DI81.0.0 up to, but not including, 1.7.41.7.4
Carlo Gavazzi AutomationYL212CEI8M1IO1.0.0 up to, but not including, 1.7.41.7.4
Carlo Gavazzi AutomationYN115CEI8RPIO1.0.0 up to, but not including, 1.7.41.7.4
Carlo Gavazzi AutomationYL212CPN8M1IO1.0.0 up to, but not including, 1.7.41.7.4
Carlo Gavazzi AutomationYN115CPN8RPIO1.0.0 up to, but not including, 1.7.41.7.4

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by CNA (cert.vde.com).

Official description

A low-privileged remote attacker can exploit a local file inclusion vulnerability in the /index.php/ajax/save_iodd_parameters endpoint using a valid operator cookie allowing execution of arbitrary PHP code on the device.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Improper Control of Filename for Include/Require Statement in PHP Program

The PHP application receives input from an upstream component, but it does not restrict or incorrectly restricts the input before its usage in require, include, or similar functions.

How developers prevent this class of flaw

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • When the set of acceptable objects, such as filenames or URLs, is limited or known, create a mapping from a set of fixed input values (such as numeric IDs) to the actual filenames or URLs, and reject all other inputs. For example, ID 1 could map to inbox.txt and ID 2 could map to profile.txt. Features such as the ESAPI AccessReferenceMap provide this capability.
  • For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.

More Improper Control of Filename for Include/Require Statement in PHP Program vulnerabilities (CWE-98)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).

References

Other vulnerabilities in ICE2-8IOL1-G65L-V1D

All ICE2-8IOL1-G65L-V1D vulnerabilities

Recent Improper Control of Filename for Include/Require Statement in PHP Program vulnerabilities

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