CVE-2026-90851

MEDIUMPre-NVD 6.36.3
EchelonGraph scoreHIGH confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-09-15. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.3Exploit: 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 PHPGurukul Hostel Management System 3.0. This affects an unknown part of the file /admin/includes/checklogin.php. This manipulation of the argument ID causes improper access controls. Remote exploitation of the attack is possible. The exploit has been published and may be used.

CVSS v3
6.3
EG Score
6.3(high)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity63% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
11%
KEV
Not listed

Published

September 15, 2026

Last Modified

September 15, 2026

Advisory Details (2)

Auto-updated Sep 15, 2026
No patch confirmed yet.
generic

PHP Project | PHP Projects Ideas | PHP Latest tutorial | Python Project

https://phpgurukul.com/
generic

PHPGurukul Hostel Management System - Broken Access Control Allows Student Account to Access Administrative Functionality · Issue #10 · usernamevnq/CVEs · GitHub

https://github.com/usernamevnq/CVEs/issues/10

Vendor Advisories for CVE-2026-90851(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 24× in last 7d / 24× 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. 2026-09-20 14:33 UTCEG score recompute
  2. 2026-09-20 14:33 UTCGHSA enrichment
  3. 2026-09-19 14:38 UTCEG score recompute
  4. 2026-09-19 14:38 UTCGHSA enrichment
  5. 2026-09-18 19:28 UTCEPSS rescore
  6. 2026-09-18 14:43 UTCEG score recompute
  7. 2026-09-18 14:43 UTCGHSA enrichment
  8. 2026-09-17 19:32 UTCEPSS rescore
  9. 2026-09-17 14:47 UTCGHSA enrichment
  10. 2026-09-16 14:52 UTCEG score recompute
  11. 2026-09-16 14:52 UTCGHSA enrichment
  12. 2026-09-16 14:09 UTCEPSS rescore
  13. 2026-09-16 05:15 UTCEPSS rescore
  14. 2026-09-15 14:53 UTCGHSA enrichment
  15. 2026-09-15 14:33 UTCEG score recompute
  16. 2026-09-15 14:33 UTCGHSA enrichment
  17. 2026-09-15 14:31 UTCNVD updateCVSS v4 → 2.1
  18. 2026-09-15 13:58 UTCEG score recompute
  19. 2026-09-15 13:58 UTCGHSA enrichment
  20. 2026-09-15 13:57 UTCMITRE cvelistV5CVSS v4 → 5.3
  21. 2026-09-15 02:30 UTCEG score recompute
  22. 2026-09-15 02:29 UTCNVD updateCVSS v4 → 2.1
  23. 2026-09-15 02:07 UTCEG score recompute
  24. 2026-09-15 02:04 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-90851?
CVE-2026-90851 is a medium vulnerability published on September 15, 2026. A flaw has been found in PHPGurukul Hostel Management System 3.0. This affects an unknown part of the file /admin/includes/checklogin.php. This manipulation of the argument ID causes improper access controls. Remote exploitation of the attack is possible. The exploit has been published and may be…
When was CVE-2026-90851 disclosed?
CVE-2026-90851 was first published in the National Vulnerability Database on September 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90851 actively exploited?
CVE-2026-90851 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 88.5% of all scored CVEs.
What is the CVSS score of CVE-2026-90851?
CVE-2026-90851 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-90851?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90851, 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-2026-90851

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