CVE-2026-90505

MEDIUMPre-NVD 5.05.0—
EchelonGraph scoreHIGH confidence

Score 5.0 from GitHub Security Advisory (severity: LOW) published 2026-09-13. a secondary CVSS source baseline 5.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
5.0EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.0Exploit: Elevated riskExposed: 0

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

A vulnerability was found in vvbbnn00 WARP-Clash-API up to c7bf2360073959861219b422e51ae86411051b46. This affects the function doUpdateLicenseKey. The manipulation results in race condition. The attack can be launched remotely. The attack requires a high level of complexity. The exploitability is reported as difficult. The exploit has been made public and could be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS v3
5.0
EG Score
5.0(high)
EG Risk
39(Track)
EG Risk 39/100SSVC: Track

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
Severity50% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

September 13, 2026

Last Modified

September 14, 2026

Advisory Details (1)

Auto-updated Sep 13, 2026
No patch confirmed yet.
generic

Advisory: CWE-362 TOCTOU race (HIGH) - vvbbnn00/WARP-Clash-API Finding 6 · GitHub

https://gist.github.com/Galaxync/62748fe998dd8518691e11d765224093

Vendor Advisories for CVE-2026-90505(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 27× in last 7d / 31× 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. 2026-09-21 01:30 UTCEG score recompute
  2. 2026-09-21 01:30 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-20 00:57 UTCEG score recompute
  5. 2026-09-20 00:57 UTCGHSA enrichment
  6. 2026-09-19 00:24 UTCEG score recompute
  7. 2026-09-19 00:24 UTCGHSA enrichment
  8. 2026-09-18 19:28 UTCEPSS rescore
  9. 2026-09-17 23:52 UTCEG score recompute
  10. 2026-09-17 23:52 UTCGHSA enrichment
  11. 2026-09-17 19:32 UTCEPSS rescore
  12. 2026-09-16 22:21 UTCEG score recompute
  13. 2026-09-16 22:21 UTCGHSA enrichment
  14. 2026-09-16 14:09 UTCEPSS rescore
  15. 2026-09-16 05:15 UTCEPSS rescore
  16. 2026-09-15 21:40 UTCEG score recompute
  17. 2026-09-15 21:39 UTCGHSA enrichment
  18. 2026-09-15 03:12 UTCEPSS rescore
  19. 2026-09-14 21:07 UTCGHSA enrichment
  20. 2026-09-14 19:21 UTCEG score recompute
  21. 2026-09-14 19:21 UTCGHSA enrichment
  22. 2026-09-14 19:18 UTCNVD updateCVSS v4 → 1.3
  23. 2026-09-14 18:27 UTCEG score recompute
  24. 2026-09-14 18:27 UTCGHSA enrichment
  25. 2026-09-14 18:24 UTCMITRE cvelistV5CVSS v4 → 2.3
Show 6 more
  1. 2026-09-14 10:51 UTCEG score recompute
  2. 2026-09-14 10:51 UTCGHSA enrichment
  3. 2026-09-13 10:19 UTCEG score recompute
  4. 2026-09-13 10:19 UTCNVD updateCVSS v4 → 1.3
  5. 2026-09-13 09:49 UTCEG score recompute
  6. 2026-09-13 09:49 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-90505?
CVE-2026-90505 is a medium vulnerability published on September 13, 2026. A vulnerability was found in vvbbnn00 WARP-Clash-API up to c7bf2360073959861219b422e51ae86411051b46. This affects the function doUpdateLicenseKey. The manipulation results in race condition. The attack can be launched remotely. The attack requires a high level of complexity. The exploitability is…
When was CVE-2026-90505 disclosed?
CVE-2026-90505 was first published in the National Vulnerability Database on September 13, 2026, with the most recent update 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-2026-90505 actively exploited?
CVE-2026-90505 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 84.5% of all scored CVEs.
What is the CVSS score of CVE-2026-90505?
CVE-2026-90505 has a CVSS v3 base score of 5.0 (NVD).
How do I remediate CVE-2026-90505?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90505, 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

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