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CVE-2026-1358

9.8
Critical
EPSS 1%Patch availableFeb 13, 2026

Unauthenticated file upload enables remote code execution on Airleader Master.

common questions

Is CVE-2026-1358 being exploited?

Not confirmed. CVE-2026-1358 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 1.2% probability of exploitation in the next 30 days.

How severe is CVE-2026-1358?

CVE-2026-1358 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-1358?

Yes. A fix has been recorded for CVE-2026-1358. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-1358 affect?

CVE-2026-1358 affects Airleader Master (versions <= 6.381). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-1358?

Patch when available; enforce strict file validation and access controls.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
Airleader Master (versions <= 6.381)
impact

RCE via unauthenticated file uploads; attacker can gain full control of Airleader Master server.

action required

Immediate action required

affected versions
Airleader GmbH Airleader Master
  • affected<= 6.381

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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