CVE Intelligence
Medium

CVE-2026-27553 — Information Disclosure via Schema Path Manipulation

A low-privileged remote attacker can manipulate the schema path parameter in the /index.php/diagnostics_tab/ajax_diag_table_rows endpoint using a valid user cookie allowing disclosure of all user password hashes.

Published Sep 16, 2026 · Updated Oct 15, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: CERTVDE

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.
How the score was calculated
  • EPSS 0.6% (30-day exploitation probability)+7
  • Technical severity (medium)+3

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation
Not confirmed
Not in CISA KEV — an absence of record, not proof it is unexploited.
EPSS FIRST
0.56%
ahead of 45% of scored CVEs · Oct 15, 2026
Affects
Carlo Gavazzi Automation
YL212CEI8M1IO and 14 more
CVSS base
6.5
Medium · 2 source(s)

CISA SSVC assessment CISA

Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.

Exploitation
None
none · proof-of-concept · active
Automatable
No
can an attacker script the kill-chain steps
Technical impact
Partial
partial · total control of the vulnerable component

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

No fix documented by the sources we poll. That does not mean none exists: check the vendor advisory.

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

  1. Identify exposed assets running the affected vendor/product/version combinations (Carlo Gavazzi Automation YL212CEI8M1IO, Carlo Gavazzi Automation YL212CPN8M1IO, Carlo Gavazzi Automation YN115CEI8RPIO…).
  2. No fix documented in the sources: reduce exposure and monitor the vendor advisory.
  3. Search available logs for exploit probes, errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

VendorProductVersionsStatusSource
Carlo Gavazzi Automation YL212CEI8M1IO ≥ 1.0.0 and < 1.7.4 Vulnerable CVE Program (cve.org) e CISA ADP
Carlo Gavazzi Automation YL212CPN8M1IO ≥ 1.0.0 and < 1.7.4 Vulnerable CVE Program (cve.org) e CISA ADP
Carlo Gavazzi Automation YN115CEI8RPIO ≥ 1.0.0 and < 1.7.4 Vulnerable CVE Program (cve.org) e CISA ADP
Carlo Gavazzi Automation YN115CPN8RPIO ≥ 1.0.0 and < 1.7.4 Vulnerable CVE Program (cve.org) e CISA ADP
Pepperl+Fuchs ICE2-8IOL-G65L-V1D ≥ 1.0.0 and < 1.7.4 Vulnerable CVE Program (cve.org) e CISA ADP
Pepperl+Fuchs ICE2-8IOL-K45P-RJ45 ≥ 1.0.0 and < 1.7.4 Vulnerable CVE Program (cve.org) e CISA ADP
Pepperl+Fuchs ICE2-8IOL-K45S-RJ45 ≥ 1.0.0 and < 1.7.4 Vulnerable CVE Program (cve.org) e CISA ADP
Pepperl+Fuchs ICE2-8IOL1-G65L-V1D ≥ 1.0.0 and < 1.7.4 Vulnerable CVE Program (cve.org) e CISA ADP
Pepperl+Fuchs ICE3-8IOL-G65L-V1D ≥ 1.0.0 and < 1.7.4 Vulnerable CVE Program (cve.org) e CISA ADP
Pepperl+Fuchs ICE3-8IOL-G65L-V1D-Y ≥ 1.0.0 and < 1.7.4 Vulnerable CVE Program (cve.org) e CISA ADP
Pepperl+Fuchs ICE3-8IOL-K45P-RJ45 ≥ 1.0.0 and < 1.7.4 Vulnerable CVE Program (cve.org) e CISA ADP
Pepperl+Fuchs ICE3-8IOL-K45S-RJ45 ≥ 1.0.0 and < 1.7.4 Vulnerable CVE Program (cve.org) e CISA ADP
Pepperl+Fuchs ICE3-8IOL1-G65L-V1D ≥ 1.0.0 and < 1.7.4 Vulnerable CVE Program (cve.org) e CISA ADP
Phoenix Contact IOL MA8 EIP DI8 ≥ 1.0.0 and < 1.7.4 Vulnerable CVE Program (cve.org) e CISA ADP
Phoenix Contact IOL MA8 PN DI8 ≥ 1.0.0 and < 1.7.4 Vulnerable CVE Program (cve.org) e CISA ADP

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactScored by
6.5 CVSS 3.1 Medium 2.8 3.6 info@cert.vde.com via NIST National Vulnerability Database
6.5 CVSS 3.1 Medium — — CERTVDE via CVE Program (cve.org) e CISA ADP
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N (score shown at the top: info@cert.vde.com)

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-497

Other CVEs with this weakness →

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

  • Prioritize edge telemetry for the network-reachable component (proxy, WAF, IDS/IPS).
web/proxy/WAF logsnetwork IDS/IPS

Timeline

What happened to this CVE, newest first.

  • 2026
  • Affected products added · pepperl+fuchs/ice2-8iol1-g65l-v1d, pepperl+fuchs/ice2-8iol-g65l-v1d, pepperl+fuchs/ice2-8iol-k45p-rj45, pepperl+fuchs/ic
    Oct 15, 2026 · CVE Program (cve.org) e CISA ADP
  • SSVC assessment updated
    Oct 15, 2026 · CVE Program (cve.org) e CISA ADP
  • Record published
    Oct 15, 2026
  • CVSS changed · 6.5
    Oct 15, 2026 · NIST National Vulnerability Database
  • Source status changed · → Awaiting Analysis
    Oct 15, 2026 · NIST National Vulnerability Database
  • Record created in this database
    Oct 15, 2026 · NIST National Vulnerability Database
  • CVE published
    Sep 16, 2026 · CERTVDE

Source activity

Repeated readings are counted rather than listed.

  • 1× Official description updated · Oct 15, 2026 – Oct 15, 2026

References

3 on the record

Elsewhere on this site

Carlo Gavazzi Automation
every CVE for this vendor
CWE-497
other pages naming this weakness

Related CVEs (same products)

  • CVE-2026-27565 Remote code execution via uploading a malicious IODD file 29d
  • CVE-2026-27561 Command Injection via GET in /api/iodd/config 29d
  • CVE-2026-27562 Command Injection via PUT in /api/iodd/config 29d
  • CVE-2026-27564 Command Injection via PUT in /api/datastorage/data 29d
  • CVE-2026-27563 Command Injection via GET in /api/datastorage/data 29d
  • CVE-2026-27557 Path Traversal in /index.php/view_uploaded_iodd_file 29d

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No fixed version, patch or mitigation documented.
  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2026-27553 is "Information Disclosure via Schema Path Manipulation", rated Medium. It affects YL212CEI8M1IO (Carlo Gavazzi Automation); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 6.5 describes technical severity. EPSS 0.56% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

Comments

Moderated technical discussion. Read the community guidelines.

No comments yet.

Sign in or create an account to comment and suggest corrections.