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TI-2026-22541 Aliases CVE-2026-28205GHSA-3r9q-7hff-7fm4

Initialization of a resource with an insecure default in OpenPLC_V3

Priority MEDIUM 42CWE-1188Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
—
Confidentiality · integrity · availability
Low · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

OpenPLC_V3 is vulnerable to an Initialization of a Resource with an Insecure Default vulnerability which could allow an attacker to gain access to the system by bypassing authentication via an API.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00458 39th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OpenPLCOpenPLC_V3All versions—No fix listedCNA
  • OpenPLC_V3 VendorOpenPLC Affected All versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:openplcproject:openplc_v3_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableOpenPLC
cpe:2.3:h:openplcproject:openplc_v3:-:*:*:*:*:*:*:*not specified by NVDRunning onOpenPLC
  • cpe:2.3:o:openplcproject:openplc_v3_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·OpenPLC
  • cpe:2.3:h:openplcproject:openplc_v3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·OpenPLC

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-28205
  2. 2026-10-03 Alias added: GHSA-3r9q-7hff-7fm4
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

Advisory 1

  • TI-2024-22495 Stack-based buffer overflow in OpenPLC_v3 CVSS 3.1CRITICAL 9.8
  • TI-2024-26520 Incorrect type conversion in OpenPLC_v3 CVSS 3.1HIGH 7.5
  • TI-2024-26519 Incorrect type conversion in OpenPLC_v3 CVSS 3.1HIGH 7.5
  • TI-2024-24528 Out-of-bounds read in OpenPLC_v3 CVSS 3.1HIGH 7.5
  • TI-2024-24527 Out-of-bounds read in OpenPLC_v3 CVSS 3.1HIGH 7.5
  • TI-2026-23850 A path injection vulnerability exists in OpenPLC v3… CVSS 3.1MEDIUM 6.5
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences