CVE-2026-87926

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-09-10. 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 flaw has been found in Rizwan17 inventory-management-system up to bfe78a330d01bb26b9daec5dc9ecd5c77900e03f. This issue affects some unknown processing of the file index.php of the component Login Page. Executing a manipulation of the argument msg can lead to cross site scripting. The attack can be launched remotely. The exploit has been published and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The project was informed of the problem early through an issue report but has not responded yet.

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
38%
KEV
Not listed

Published

September 9, 2026

Last Modified

September 14, 2026

Advisory Details (2)

Auto-updated Sep 9, 2026
No patch confirmed yet.
generic

GitHub - Rizwan17/inventory-management-system · GitHub

https://github.com/Rizwan17/inventory-management-system/
generic

Reflected XSS in `index.php` via unencoded `msg` query parameter · Issue #11 · Rizwan17/inventory-management-system · GitHub

https://github.com/Rizwan17/inventory-management-system/issues/11

Vendor Advisories for CVE-2026-87926(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 20× in last 7d / 52× 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. 2026-09-25 07:53 UTCEG score recompute
  2. 2026-09-25 07:53 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-24 06:44 UTCEG score recompute
  5. 2026-09-24 06:44 UTCGHSA enrichment
  6. 2026-09-23 17:54 UTCEPSS rescore
  7. 2026-09-23 05:37 UTCEG score recompute
  8. 2026-09-23 05:37 UTCGHSA enrichment
  9. 2026-09-22 16:01 UTCEPSS rescore
  10. 2026-09-22 04:29 UTCEG score recompute
  11. 2026-09-22 04:29 UTCGHSA enrichment
  12. 2026-09-21 21:09 UTCEPSS rescore
  13. 2026-09-21 03:20 UTCEG score recompute
  14. 2026-09-21 03:20 UTCGHSA enrichment
  15. 2026-09-20 20:16 UTCEPSS rescore
  16. 2026-09-20 02:11 UTCEG score recompute
  17. 2026-09-20 02:11 UTCGHSA enrichment
  18. 2026-09-19 01:03 UTCEG score recompute
  19. 2026-09-19 01:02 UTCGHSA enrichment
  20. 2026-09-18 19:28 UTCEPSS rescore
  21. 2026-09-17 23:54 UTCEG score recompute
  22. 2026-09-17 23:54 UTCGHSA enrichment
  23. 2026-09-17 19:32 UTCEPSS rescore
  24. 2026-09-16 21:58 UTCEG score recompute
  25. 2026-09-16 21:58 UTCGHSA enrichment
Show 27 more
  1. 2026-09-16 14:09 UTCEPSS rescore
  2. 2026-09-16 05:15 UTCEPSS rescore
  3. 2026-09-15 20:50 UTCEG score recompute
  4. 2026-09-15 20:50 UTCGHSA enrichment
  5. 2026-09-15 03:12 UTCEPSS rescore
  6. 2026-09-14 19:23 UTCEG score recompute
  7. 2026-09-14 19:22 UTCGHSA enrichment
  8. 2026-09-14 19:18 UTCNVD updateCVSS v4 → 2.1
  9. 2026-09-14 18:53 UTCEG score recompute
  10. 2026-09-14 18:53 UTCGHSA enrichment
  11. 2026-09-14 18:49 UTCMITRE cvelistV5CVSS v4 → 5.3
  12. 2026-09-13 18:23 UTCEG score recompute
  13. 2026-09-13 18:23 UTCGHSA enrichment
  14. 2026-09-13 16:48 UTCEPSS rescore
  15. 2026-09-12 17:15 UTCEG score recompute
  16. 2026-09-12 17:15 UTCGHSA enrichment
  17. 2026-09-12 15:02 UTCEPSS rescore
  18. 2026-09-11 16:07 UTCEG score recompute
  19. 2026-09-11 16:07 UTCGHSA enrichment
  20. 2026-09-11 14:53 UTCEPSS rescore
  21. 2026-09-11 14:53 UTCEPSS rescore
  22. 2026-09-10 14:58 UTCGHSA enrichment
  23. 2026-09-10 00:32 UTCEG score recompute
  24. 2026-09-10 00:32 UTCGHSA enrichment
  25. 2026-09-10 00:31 UTCNVD updateCVSS v4 → 2.1
  26. 2026-09-09 23:40 UTCEG score recompute
  27. 2026-09-09 23:39 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-87926?
CVE-2026-87926 is a medium vulnerability published on September 9, 2026. A flaw has been found in Rizwan17 inventory-management-system up to bfe78a330d01bb26b9daec5dc9ecd5c77900e03f. This issue affects some unknown processing of the file index.php of the component Login Page. Executing a manipulation of the argument msg can lead to cross site scripting. The attack can…
When was CVE-2026-87926 disclosed?
CVE-2026-87926 was first published in the National Vulnerability Database on September 9, 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-2026-87926 actively exploited?
CVE-2026-87926 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 62.0% of all scored CVEs.
What is the CVSS score of CVE-2026-87926?
CVE-2026-87926 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-87926?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-87926, 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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