CVE ID: CVE-2026-26215 Exploit Type: Shared API Unsafe Deserialization RCE Affected Software: manga-image-translator <= beta-0.3 Severity: Critical CVSS v4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Description: - The FastAPI endpoints and deserialize attacker-controlled request bodies using without validation. - A nonce-based authorization check is intended to restrict access, but the nonce defaults to an empty string, making the check ineffective. - This leads to remote attackers being able to execute arbitrary code in the server context by sending a crafted pickle payload. References: - Researcher Blog and PoC - GitHub Issue with Proposed Fix - Original GitHub Issue - Vulnerable Code L112 - Vulnerable Code L130 Credit: - Valentin Lobstein (Chocapikk) - sud0why of Tencent YunDing Security Lab