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CVE-2026-22100: The OCPP DataTransfer message `ReserveLogin` is vulnerable to command injection

46
This month
HIGH 8.6

CVE-2026-22100 is a high-severity flaw (CVSS 8.6) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The OCPP DataTransfer message `ReserveLogin` is vulnerable to command injection. By manipulating the data value, arbitrary OS commands can be executed as root.

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score8.6 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededHigh
User interactionNone
EPSS exploit chance1.1% (top 35%)
CISA exploited listNo
WeaknessCWE-78
Published2026-07-13
Last modified2026-10-24
Publisher (CNA): Dutch Institute for Vulnerability Disclosure

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Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

Exact fixes by distribution

Fedora 46 · log4cplus · FIXED · 2.2.0.1-2.fc46 · FEDORA-2026-fc241370c9 · source
sudo dnf upgrade --advisory=FEDORA-2026-fc241370c9
Fedora ELN · velocitty · FIXED · 1.0.3-2.eln159 · FEDORA-2026-edae8cd295 · source
sudo dnf upgrade --advisory=FEDORA-2026-edae8cd295
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-22100?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-22100 being exploited?

CVE-2026-22100 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-22100 affect?

CVE-2026-22100 affects affected software. Severity is high (CVSS 8.6). The OCPP DataTransfer message `ReserveLogin` is vulnerable to command injection. By manipulating the data value, arbitrary OS commands can be executed as root.

How urgent is CVE-2026-22100?

Priority 46/100. High severity

References

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