CVE-2026-102809: PX4-Autopilot · Excessive Memory Allocation
Affects PX4-AutopilotSource CVE Database V5
Not known to be exploited · CVSS 7.1 High.
Data as of 12 Nov 2026, 23:24 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 42% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 29 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| PX4PX4-Autopilot | Affected
| Fixed in– |
GitHubpx4/PX4-Autopilotpkg:github/px4/PX4-AutopilotOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Until an official fix is available, restrict shell access to trusted users only to prevent exploitation. Monitor vendor channels for patches addressing this vulnerability.
Description
PX4 Autopilot through 1.17.0 contains an uncontrolled stack allocation vulnerability in the file2 test command that fails to validate the write chunk size parameter. Attackers with shell access can supply an excessively large value to the -c option to trigger stack overflow and crash the flight controller.
References
- github.com/PX4/PX4-Autopilot/pull/28586 (opens in a new tab)
- github.com/PX4/PX4-Autopilot/commit/46a77d8ad15e7929ef261c41083dffd1bbfa9f85 (opens in a new tab)
- github.com/PX4/PX4-Autopilot/blob/d6f12ad1c4f70ad3230afd7d86e971421e02fef4/src/systemcmds/tests/test_file2.c (opens in a new tab)
- github.com/PX4/PX4-Autopilot (opens in a new tab)
- vulncheck.com/advisories/px4-autopilot-through-1.17.0-stack-exhaustion-via-tests-file2-command (opens in a new tab)