Ichigo3766 image-gen-mcp upscale_images index.ts path traversal

published 2026-08-09 3 mo ago modified 2026-10-23 16 d ago also EUVD-2026-54938

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits: 0; none known

A vulnerability was identified in Ichigo3766 image-gen-mcp 0.1.0. The impacted element is an unknown function of the file src/index.ts of the component upscale_images. Such manipulation of the argument output_path leads to path traversal. The attack must be carried out locally. The project was informed of the problem early through an issue report but has not responded yet.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 2 mo ago (2026-08-10)

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/Ichigo3766/image-gen-mcp/issues/6 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA	3.1	5.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	3.0	5.3	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	2.0	4.3	AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CNA	4.0	1.9	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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:X/V:X/RE:X/U:X
CNA	3.1	5.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA	2.0	4.3	AV:L/AC:L/Au:S/C:P/I:P/A:P

Affected products

Ichigo3766 image-gen-mcp

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

github.com /Ichigo3766/image-gen-mcp/issues/6
issue-tracking, exploit
vuldb.com /vuln/387219
vdb-entry, technical-description
vuldb.com /vuln/387219/cti
signature, permissions-required
vuldb.com /cve/CVE-2026-19365
third-party-advisory
vuldb.com /submit/866261
third-party-advisory
github.com /Ichigo3766/image-gen-mcp/
product

Sources

CVE List CVE-2026-19365
NVD CVE-2026-19365

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary