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Vulnerability record · CVE-2023-43662 · published 28 September 2023

CVE-2023-43662: Shokoanime shokoserver path traversal vulnerability

Shokoanime · Shokoserver

ShokoServer is a media server which specializes in organizing anime. In affected versions the `/api/Image/WithPath` endpoint is accessible without authentication and is supposed to return default server images. The endpoint accepts the parameter `serverImagePath`, which is not sanitized in any way before being passed to `System.IO.File.OpenRead`, which results in an arbitrary file read. This issue may lead to an arbitrary file read which is exacerbated in the windows installer which installs the ShokoServer as administrator. Any unauthenticated attacker may be able to access sensitive information and read files stored on the server. The `/api/Image/WithPath` endpoint has been removed in commit `6c57ba0f0` which will be included in subsequent releases. Users should limit access to the `/api/Image/WithPath` endpoint or manually patch their installations until a patched release is made. This issue was discovered by the GitHub Security lab and is also indexed as GHSL-2023-191.

8.6 CVSS 3.1 High EPSS 8.1% · top 5.3% CWE-22 · Path traversal
8.6CVSS 3.1 base score
8.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

ShokoServer is a media server which specializes in organizing anime. In affected versions the `/api/Image/WithPath` endpoint is accessible without authentication and is supposed to return default server images. The endpoint accepts the parameter `serverImagePath`, which is not sanitized in any way before being passed to `System.IO.File.OpenRead`, which results in an arbitrary file read. This issue may lead to an arbitrary file read which is exacerbated in the windows installer which installs the ShokoServer as administrator. Any unauthenticated attacker may be able to access sensitive information and read files stored on the server. The `/api/Image/WithPath` endpoint has been removed in commit `6c57ba0f0` which will be included in subsequent releases. Users should limit access to the `/api/Image/WithPath` endpoint or manually patch their installations until a patched release is made. This issue was discovered by the GitHub Security lab and is also indexed as GHSL-2023-191.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/ShokoAnime/ShokoServer/commit/6c57ba0f073d6be5a4f508c46c2ce36727cbce80 Product
https://github.com/ShokoAnime/ShokoServer/security/advisories/GHSA-mwcv-ghjq-8f2g ExploitMitigationVendor Advisory
https://github.com/ShokoAnime/ShokoServer/commit/6c57ba0f073d6be5a4f508c46c2ce36727cbce80 Product
https://github.com/ShokoAnime/ShokoServer/security/advisories/GHSA-mwcv-ghjq-8f2g ExploitMitigationVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2023-43662), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.