{"id":"CVE-2026-86169","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-86169","summary":"Axolotl through 0.18.0 Remote Code Execution via Multipack Patching","details":"Axolotl through 0.18.0 contains a remote code execution vulnerability in the multipack patch path where trust_remote_code defaults to None instead of False, causing the security guard to be bypassed. Attackers can execute arbitrary Python code by crafting a malicious Hugging Face model repository selected as base_model, which is loaded with hardcoded trust_remote_code=True during AutoModelForCausalLM.from_pretrained.","published":"2026-09-05T11:01:24.705Z","modified":"2026-09-06T03:47:37.849036494Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/axolotl-ai-cloud/axolotl/commit/b62d60b101eea7f32532ee3c0b17c2f2430a9262","label":"axolotl-ai-cloud/axolotl@b62d60b"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86169.json"},{"type":"PACKAGE","url":"https://github.com/axolotl-ai-cloud/axolotl"},{"type":"ARTICLE","url":"https://github.com/axolotl-ai-cloud/axolotl/blob/v0.18.0/src/axolotl/loaders/patch_manager.py#L794-L806"},{"type":"ARTICLE","url":"https://github.com/axolotl-ai-cloud/axolotl/blob/v0.18.0/src/axolotl/monkeypatch/multipack.py#L86-L96"},{"type":"FIX","url":"https://github.com/axolotl-ai-cloud/axolotl/commit/b62d60b101eea7f32532ee3c0b17c2f2430a9262"},{"type":"FIX","url":"https://github.com/axolotl-ai-cloud/axolotl/pull/3858"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86169"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/axolotl-through-0.18.0-remote-code-execution-via-multipack-patching"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-06T03:47:37.849036494Z"}}