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Vulnerability record · CVE-2026-26215 · published 11 February 2026

CVE-2026-26215: Deserialization of untrusted data vulnerability

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.

9.3 CVSS 4.0 Critical EPSS 1.1% · top 36.5% CWE-502 · Deserialization of untrusted data Deferred
9.3CVSS 4.0 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
14 Jul 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://chocapikk.com/posts/2026/manga-image-translator-pickle-rce/
https://github.com/zyddnys/manga-image-translator/blob/a537cb12b41daf2065795058c2753d87e73fa0fe/manga_translator/mode/sh
https://github.com/zyddnys/manga-image-translator/blob/a537cb12b41daf2065795058c2753d87e73fa0fe/manga_translator/mode/sh
https://github.com/zyddnys/manga-image-translator/issues/1116
https://github.com/zyddnys/manga-image-translator/issues/946
https://www.vulncheck.com/advisories/manga-image-translator-shared-api-unsafe-deserialization-rce

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Source: NIST National Vulnerability Database (record CVE-2026-26215), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.