CVE-2024-21575

HIGHNVD 8.68.6—
EchelonGraph scoreMEDIUM confidence

Score 8.6 from GitHub Security Advisory (severity: CRITICAL) published 2024-12-12. NVD baseline CVSS 8.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.6EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1.0%CVSS: 8.6Exploit: None knownExposed services: Not assessed

An upstream fix is merged but not yet released — mitigate (WAF / firewall / segmentation) until the release ships, then apply it.

ComfyUI-Impact-Pack is vulnerable to Path Traversal. The issue stems from missing validation of the image.filename field in a POST request sent to the /upload/temp endpoint added by the extension to the server. This results in writing arbitrary files to the file system which may, under some conditions, result in remote code execution (RCE).

CVSS v3
8.6
EG Score
8.6HIGHmedium confidence
EG Risk
54
EG Risk 54/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity86% × 45%
Exploitation1% × 40%
Automatability100% × 15%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high until it ships, then apply the release.
EPSS PROB
1.0%
EPSS %ILE
61st
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).

An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high until it ships, then apply the release.

Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

December 12, 2024

Last Modified

April 15, 2026

Advisory Details (2)

Auto-updated Sep 1, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
github_commit

commit a43dae373e64 (ltdrdata/ComfyUI-Impact-Pack)

Fix landed in ltdrdata/ComfyUI-Impact-Pack commit a43dae373e64 — awaiting tagged release

https://github.com/ltdrdata/ComfyUI-Impact-Pack/commit/a43dae373e648ae0f0cc0c9768c3cea6a72acff7
generic

ComfyUI-Impact-Pack/modules/impact/impact_server.py at 1087f2ee063c9d53cd198add79b41a7a3465c05a · ltdrdata/ComfyUI-Impact-Pack · GitHub

https://github.com/ltdrdata/ComfyUI-Impact-Pack/blob/1087f2ee063c9d53cd198add79b41a7a3465c05a/modules/impact/impact_server.py#L28

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 26× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 205 total refreshes for this CVE.

  1. 2026-10-10 19:58 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2024-21575?
CVE-2024-21575 is a high vulnerability published on December 12, 2024. ComfyUI-Impact-Pack is vulnerable to Path Traversal. The issue stems from missing validation of the image.filename field in a POST request sent to the /upload/temp endpoint added by the extension to the server. This results in writing arbitrary files to the file system which may, under some…
When was CVE-2024-21575 disclosed?
CVE-2024-21575 was first published on December 12, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-21575 actively exploited?
CVE-2024-21575 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.0% probability of exploitation in the next 30 days (61st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2024-21575?
CVE-2024-21575 has a CVSS v3 base score of 8.6 (NVD).
How do I remediate CVE-2024-21575?
An upstream fix for CVE-2024-21575 has been merged but is not yet in a tagged release. Until it ships, restrict network exposure of the affected system or apply the vendor's mitigation, then update to the release that contains the fix.

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