CVE-2026-18903

MEDIUMPre-NVD 4.34.3
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-08-05. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: Elevated riskExposed: 0

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

A vulnerability was determined in yeqifu warehouse up to aaf29962ba407d22d991781de28796ee7b4670e4. This issue affects some unknown processing of the file src/main/java/com/yeqifu/sys/controller/FileController.java. This manipulation of the argument path causes path traversal. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity43% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
29%
KEV
Not listed

Published

August 5, 2026

Last Modified

August 12, 2026

Advisory Details (1)

Auto-updated Aug 5, 2026
No patch confirmed yet.

Vendor Advisories for CVE-2026-18903(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 21× in last 7d / 51× 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. 2026-08-20 18:33 UTCGHSA enrichment
  2. 2026-08-19 18:54 UTCEG score recompute
  3. 2026-08-19 18:54 UTCGHSA enrichment
  4. 2026-08-19 17:03 UTCEPSS rescore
  5. 2026-08-18 19:12 UTCEG score recompute
  6. 2026-08-18 19:12 UTCGHSA enrichment
  7. 2026-08-18 13:48 UTCEPSS rescore
  8. 2026-08-17 19:33 UTCEG score recompute
  9. 2026-08-17 19:33 UTCGHSA enrichment
  10. 2026-08-17 13:47 UTCEPSS rescore
  11. 2026-08-16 19:47 UTCEG score recompute
  12. 2026-08-16 19:47 UTCGHSA enrichment
  13. 2026-08-16 14:56 UTCEPSS rescore
  14. 2026-08-16 02:14 UTCEPSS rescore
  15. 2026-08-15 20:08 UTCEG score recompute
  16. 2026-08-15 20:08 UTCGHSA enrichment
  17. 2026-08-15 01:30 UTCEPSS rescore
  18. 2026-08-14 20:29 UTCEG score recompute
  19. 2026-08-14 20:29 UTCGHSA enrichment
  20. 2026-08-13 22:00 UTCEPSS rescore
  21. 2026-08-13 20:46 UTCGHSA enrichment
  22. 2026-08-12 21:07 UTCGHSA enrichment
  23. 2026-08-12 14:04 UTCEG score recompute
  24. 2026-08-12 14:04 UTCGHSA enrichment
  25. 2026-08-12 13:50 UTCEPSS rescore
Show 26 more
  1. 2026-08-11 14:25 UTCEG score recompute
  2. 2026-08-11 14:25 UTCGHSA enrichment
  3. 2026-08-11 13:42 UTCEPSS rescore
  4. 2026-08-11 00:00 UTCEPSS rescore
  5. 2026-08-10 14:45 UTCGHSA enrichment
  6. 2026-08-09 15:06 UTCEG score recompute
  7. 2026-08-09 15:06 UTCGHSA enrichment
  8. 2026-08-09 13:46 UTCEPSS rescore
  9. 2026-08-08 16:37 UTCEPSS rescore
  10. 2026-08-08 15:28 UTCEG score recompute
  11. 2026-08-08 15:28 UTCGHSA enrichment
  12. 2026-08-07 15:49 UTCGHSA enrichment
  13. 2026-08-06 16:11 UTCEG score recompute
  14. 2026-08-06 16:10 UTCGHSA enrichment
  15. 2026-08-06 13:46 UTCEPSS rescore
  16. 2026-08-05 19:17 UTCEPSS rescore
  17. 2026-08-05 16:31 UTCEG score recompute
  18. 2026-08-05 16:31 UTCGHSA enrichment
  19. 2026-08-05 16:27 UTCNVD updateCVSS v4 → 2.1
  20. 2026-08-05 15:28 UTCEG score recompute
  21. 2026-08-05 15:28 UTCGHSA enrichment
  22. 2026-08-05 15:25 UTCMITRE cvelistV5CVSS v4 → 5.3
  23. 2026-08-05 06:22 UTCEG score recompute
  24. 2026-08-05 06:18 UTCNVD updateCVSS v4 → 2.1
  25. 2026-08-05 05:34 UTCEG score recompute
  26. 2026-08-05 05:30 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-18903?
CVE-2026-18903 is a medium vulnerability published on August 5, 2026. A vulnerability was determined in yeqifu warehouse up to aaf29962ba407d22d991781de28796ee7b4670e4. This issue affects some unknown processing of the file src/main/java/com/yeqifu/sys/controller/FileController.java. This manipulation of the argument path causes path traversal. It is possible to…
When was CVE-2026-18903 disclosed?
CVE-2026-18903 was first published in the National Vulnerability Database on August 5, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18903 actively exploited?
CVE-2026-18903 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 71.0% of all scored CVEs.
What is the CVSS score of CVE-2026-18903?
CVE-2026-18903 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-18903?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-18903, 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-2026-18903

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