PatchTheCVEopenplc v3 firmware vulnerabilities and fixes
Recent CVEs affecting openplc v3 firmware, with upgrade or downgrade steps. 1 tracked.
Also searched as: openplcv3firmware.
openplc v3 firmware has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-05-13. Highest priority: CVE-2026-31156 (score 36/100).
- CVE-2026-31156 MEDIUM 6.5 MITIGATE A path injection vulnerability exists in OpenPLC v3 (2c82b0e79c53f8c1f1458eee15fec173400d6e1a) as the binary p
FAQ
How do I fix openplc v3 firmware vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is openplc v3 firmware being exploited right now?
None of the tracked openplc v3 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which openplc v3 firmware CVE should I patch first?
CVE-2026-31156 currently ranks highest (36/100): A path injection vulnerability exists in OpenPLC v3 (2c82b0e79c53f8c1f1458eee15fec173400d6e1a) as the binary p.