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Description

manga-image-translator version beta-0.3 and prior in shared API mode contains an unsafe deserialization vulnerability that can lead to unauthenticated remote code execution. The FastAPI endpoints /simple_execute/{method} and /execute/{method} deserialize attacker-controlled request bodies using pickle.loads() without validation. Although a nonce-based authorization check is intended to restrict access, the nonce defaults to an empty string and the check is skipped, allowing remote attackers to execute arbitrary code in the server context by sending a crafted pickle payload.

PUBLISHED Reserved 2026-02-11 | Published 2026-02-11 | Updated 2026-02-11 | Assigner VulnCheck




CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-502 Deserialization of Untrusted Data

Product status

Default status
unknown

Any version
affected

Credits

Valentin Lobstein (Chocapikk) finder

sud0why of Tencent YunDing Security Lab finder

References

chocapikk.com/posts/2026/manga-image-translator-pickle-rce/ technical-description exploit

github.com/zyddnys/manga-image-translator/issues/1116 issue-tracking patch

github.com/zyddnys/manga-image-translator/issues/946 issue-tracking

github.com/...2753d87e73fa0fe/manga_translator/mode/share.py product

github.com/...2753d87e73fa0fe/manga_translator/mode/share.py product

www.vulncheck.com/...r-shared-api-unsafe-deserialization-rce third-party-advisory

cve.org (CVE-2026-26215)

nvd.nist.gov (CVE-2026-26215)

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