CVE-2026-90946

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-14. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

DeepWiki-Open through commit d92819a contains an arbitrary file read vulnerability in the unauthenticated /ws/chat WebSocket endpoint that accepts repo_url as a filesystem path with no containment. Attackers can supply arbitrary directory paths to read all files with supported extensions including Python, JavaScript, YAML, and JSON files containing hardcoded secrets and credentials.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
65(Attend)
EG Risk 65/100SSVC: Attend

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
Severity75% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
46%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 14, 2026

Advisory Details (5)

Auto-updated Sep 14, 2026
No patch confirmed yet.
generic

DeepWiki-Open through commit d92819a Arbitrary File Read via /ws/chat WebSocket | Advisories | VulnCheck

https://www.vulncheck.com/advisories/deepwiki-open-through-commit-d92819a-arbitrary-file-read-via-ws-chat-websocket
generic

deepwiki-open/api/repository.py at d92819a9c9f3b99416e3580ff235fc9d3adf8b89 · AsyncFuncAI/deepwiki-open · GitHub

https://github.com/AsyncFuncAI/deepwiki-open/blob/d92819a9c9f3b99416e3580ff235fc9d3adf8b89/api/repository.py
generic

deepwiki-open/api/data_pipeline.py at 16f35a0fc0284e99b7963bbf4e8585e9957e2fe1 · AsyncFuncAI/deepwiki-open · GitHub

https://github.com/AsyncFuncAI/deepwiki-open/blob/16f35a0fc0284e99b7963bbf4e8585e9957e2fe1/api/data_pipeline.py
generic

GitHub - AsyncFuncAI/deepwiki-open: Open Source DeepWiki: AI-Powered Wiki Generator for GitHub/Gitlab/Bitbucket Repositories. Join the discord: https://discord.gg/gMwThUMeme · GitHub

https://github.com/AsyncFuncAI/deepwiki-open
generic

Unauthenticated arbitrary server file read (source/config/JSON/YAML) and git-clone SSRF via the repo_url parameter on the all-interfaces, CORS-wildcard DeepWiki API · Issue #536 · AsyncFuncAI/deepwiki-open · GitHub

https://github.com/AsyncFuncAI/deepwiki-open/issues/536

Vendor Advisories for CVE-2026-90946(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 22× in last 7d / 22× 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.

  1. 2026-09-19 11:39 UTCGHSA enrichment
  2. 2026-09-18 23:06 UTCEG score recompute
  3. 2026-09-18 23:06 UTCGHSA enrichment
  4. 2026-09-18 19:28 UTCEPSS rescore
  5. 2026-09-18 10:38 UTCGHSA enrichment
  6. 2026-09-17 22:10 UTCEG score recompute
  7. 2026-09-17 22:10 UTCGHSA enrichment
  8. 2026-09-17 19:32 UTCEPSS rescore
  9. 2026-09-17 09:43 UTCGHSA enrichment
  10. 2026-09-16 21:16 UTCEG score recompute
  11. 2026-09-16 21:16 UTCGHSA enrichment
  12. 2026-09-16 14:09 UTCEPSS rescore
  13. 2026-09-16 08:48 UTCEG score recompute
  14. 2026-09-16 08:48 UTCGHSA enrichment
  15. 2026-09-16 05:15 UTCEPSS rescore
  16. 2026-09-15 20:13 UTCGHSA enrichment
  17. 2026-09-15 07:46 UTCGHSA enrichment
  18. 2026-09-14 19:19 UTCEG score recompute
  19. 2026-09-14 19:19 UTCGHSA enrichment
  20. 2026-09-14 18:26 UTCEG score recompute
  21. 2026-09-14 17:55 UTCEG score recompute
  22. 2026-09-14 17:54 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-90946?
CVE-2026-90946 is a high vulnerability published on September 14, 2026. DeepWiki-Open through commit d92819a contains an arbitrary file read vulnerability in the unauthenticated /ws/chat WebSocket endpoint that accepts repo_url as a filesystem path with no containment. Attackers can supply arbitrary directory paths to read all files with supported extensions including…
When was CVE-2026-90946 disclosed?
CVE-2026-90946 was first published in the National Vulnerability Database on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90946 actively exploited?
CVE-2026-90946 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 54.2% of all scored CVEs.
What is the CVSS score of CVE-2026-90946?
CVE-2026-90946 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-90946?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90946, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-90946

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