CVE-2021-3493

CVE-2021-3493 Ubuntu OverlayFS Local Privesc Affected Versions Ubuntu 20.10 Ubuntu 20.04 LTS Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 ESM Usage gcc exploit.c -o exploit ./exploit Description "Ubuntu specific issue in the overlayfs file system in the Linux kernel where it did no...

CVE-2021-3493

CVE-2021-3493 Ubuntu OverlayFS Local Privesc Affected Versions Ubuntu 20.10 Ubuntu 20.04 LTS Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 ESM Usage gcc exploit.c -o exploit chmod +x exploit ./exploit Description "Ubuntu specific issue in the overlayfs file system in the Linux kernel where it di...

CVE-2023-32629

CVE-2023-32629 — OverlayFS Local Full Privilege Escalation OverlayFS Local Privilege Escalation - Full write-up to full escalation For educational and authorized security research purposes only. Severity: High Type: Local Privilege Escalation LPE Affected: Ubuntu kernels prior to May/June 2023...

CVE-2021-3493

CVE-2021-3493 Ubuntu OverlayFS Local Privesc Affected Versions Ubuntu 20.10 Ubuntu 20.04 LTS Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 ESM Usage gcc exploit.c -o exploit chmod +x exploit ./exploit Description "Ubuntu specific issue in the overlayfs file system in the Linux kernel where it di...

CVE-2026-108699 hyper-mcp through 0.8.3 Improper Signature Verification of OCI WebAssembly Plugins

hyper-mcp through 0.8.3 contains an improper signature verification vulnerability that allows attackers to load malicious WebAssembly plugins because cosignverifyargs accepts any signer identity and OIDC issuer by default. Attackers controlling a plugin image reference can sign a malicious image...

PT-2026-110167

🚨 CVE-2026-108699 hyper-mcp through 0.8.3 contains an improper signature verification vulnerability that allows attackers to load malicious WebAssembly plugins because cosign verify args accepts any signer identity and OIDC issuer by default. Attackers controlling a plugin image reference can sig...