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copyfail-CVE-2026-31431 — Extended Linux Local Privilege Escalation PoC for CVE-2026-31431, with automatic kernel version detection and vulnerable range checking for authorized security testing. | Kitploit
Tools/GitHubGitHub/trex1e/copyfail-cve-2026-31431
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GitHubtrex1e/copyfail-cve-2026-31431

copyfail-CVE-2026-31431

Extended Linux Local Privilege Escalation PoC for CVE-2026-31431, with automatic kernel version detection and vulnerable range checking for authorized security testing.

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13 months agoNot yet reviewed

copyfail-CVE-2026-31431

Extended version of the CVE-2026-31431 "Copy Fail" Linux Local Privilege Escalation PoC.

Credits

  • Original discovery & exploit: Theori / Xint — copy.fail
  • Original repo: theori-io/copy-fail-CVE-2026-31431
  • Extended by: Trex1e

What's different in this version

  • Automatically detects and parses the running kernel version
  • Checks if the kernel falls within the vulnerable range (4.14 → 6.18.21)
  • Asks for explicit user confirmation before proceeding
  • Handles distro-specific kernel suffixes (e.g. +kali-amd64, -generic)

⚠️ Disclaimer

For authorized security research and educational purposes only. Do not use against systems you do not own or have explicit permission to test.

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