CVE-2026-86221

HIGHPre-NVD 7.37.3—
EchelonGraph scoreHIGH confidence

Score 7.3 from GitHub Security Advisory published 2026-09-06. a secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.3Exploit: 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 SourceCodester Class and Exam Timetabling System 1.0. The impacted element is the function mysqli_query of the file /admin/modal_add_course1.php. This manipulation of the argument course causes sql injection. The attack may be initiated remotely. The exploit has been published and may be used.

CVSS v3
7.3
EG Score
7.3(high)
EG Risk
64(Attend)
EG Risk 64/100SSVC: 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
Severity73% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
35%
KEV
Not listed

Published

September 6, 2026

Last Modified

September 8, 2026

Advisory Details (2)

Auto-updated Sep 6, 2026
No patch confirmed yet.
generic

Free Source Code Projects and Tutorials - sourcecodester.com

https://www.sourcecodester.com/
generic

sourcecodester Class and Exam Timetabling System Project V1.0 /modal_add_course1.php SQL injection · Issue #2 · justconter/cve · GitHub

https://github.com/justconter/_CVE/issues/2

Vendor Advisories for CVE-2026-86221(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 26× in last 7d / 76× 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. 2026-09-24 23:15 UTCEG score recompute
  2. 2026-09-24 23:15 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-24 10:40 UTCGHSA enrichment
  5. 2026-09-23 22:05 UTCEG score recompute
  6. 2026-09-23 22:05 UTCGHSA enrichment
  7. 2026-09-23 17:54 UTCEPSS rescore
  8. 2026-09-23 09:34 UTCGHSA enrichment
  9. 2026-09-22 21:02 UTCEG score recompute
  10. 2026-09-22 21:02 UTCGHSA enrichment
  11. 2026-09-22 16:01 UTCEPSS rescore
  12. 2026-09-22 08:31 UTCEG score recompute
  13. 2026-09-22 08:31 UTCGHSA enrichment
  14. 2026-09-21 21:09 UTCEPSS rescore
  15. 2026-09-21 19:59 UTCGHSA enrichment
  16. 2026-09-21 07:28 UTCEG score recompute
  17. 2026-09-21 07:28 UTCGHSA enrichment
  18. 2026-09-20 20:16 UTCEPSS rescore
  19. 2026-09-20 18:38 UTCGHSA enrichment
  20. 2026-09-20 06:07 UTCGHSA enrichment
  21. 2026-09-19 17:36 UTCEG score recompute
  22. 2026-09-19 17:36 UTCGHSA enrichment
  23. 2026-09-19 05:05 UTCEG score recompute
  24. 2026-09-19 05:05 UTCGHSA enrichment
  25. 2026-09-18 19:28 UTCEPSS rescore
Show 51 more
  1. 2026-09-18 16:33 UTCGHSA enrichment
  2. 2026-09-18 04:02 UTCEG score recompute
  3. 2026-09-18 04:02 UTCGHSA enrichment
  4. 2026-09-17 19:32 UTCEPSS rescore
  5. 2026-09-17 15:30 UTCGHSA enrichment
  6. 2026-09-17 02:59 UTCGHSA enrichment
  7. 2026-09-16 14:11 UTCEG score recompute
  8. 2026-09-16 14:11 UTCGHSA enrichment
  9. 2026-09-16 14:09 UTCEPSS rescore
  10. 2026-09-16 05:15 UTCEPSS rescore
  11. 2026-09-16 01:39 UTCGHSA enrichment
  12. 2026-09-15 13:07 UTCEG score recompute
  13. 2026-09-15 13:07 UTCGHSA enrichment
  14. 2026-09-15 03:12 UTCEPSS rescore
  15. 2026-09-15 03:12 UTCEPSS rescore
  16. 2026-09-15 00:35 UTCGHSA enrichment
  17. 2026-09-14 12:03 UTCGHSA enrichment
  18. 2026-09-13 23:29 UTCEG score recompute
  19. 2026-09-13 23:29 UTCGHSA enrichment
  20. 2026-09-13 10:58 UTCGHSA enrichment
  21. 2026-09-12 22:27 UTCEG score recompute
  22. 2026-09-12 22:27 UTCGHSA enrichment
  23. 2026-09-12 09:56 UTCGHSA enrichment
  24. 2026-09-11 21:24 UTCEG score recompute
  25. 2026-09-11 21:24 UTCGHSA enrichment
  26. 2026-09-11 14:53 UTCEPSS rescore
  27. 2026-09-11 14:53 UTCEPSS rescore
  28. 2026-09-11 08:51 UTCGHSA enrichment
  29. 2026-09-10 20:20 UTCEG score recompute
  30. 2026-09-10 20:20 UTCGHSA enrichment
  31. 2026-09-10 07:49 UTCGHSA enrichment
  32. 2026-09-09 19:18 UTCGHSA enrichment
  33. 2026-09-09 06:47 UTCEG score recompute
  34. 2026-09-09 06:47 UTCGHSA enrichment
  35. 2026-09-08 22:01 UTCEPSS rescore
  36. 2026-09-08 18:15 UTCEG score recompute
  37. 2026-09-08 18:15 UTCGHSA enrichment
  38. 2026-09-08 17:28 UTCNVD updateCVSS v4 → 5.5
  39. 2026-09-08 17:02 UTCEG score recompute
  40. 2026-09-08 17:01 UTCGHSA enrichment
  41. 2026-09-08 16:59 UTCMITRE cvelistV5CVSS v4 → 6.9
  42. 2026-09-08 14:12 UTCGHSA enrichment
  43. 2026-09-08 09:57 UTCGHSA enrichment
  44. 2026-09-07 20:29 UTCEG score recompute
  45. 2026-09-07 20:29 UTCGHSA enrichment
  46. 2026-09-07 07:58 UTCEG score recompute
  47. 2026-09-07 07:57 UTCGHSA enrichment
  48. 2026-09-06 19:24 UTCEG score recompute
  49. 2026-09-06 19:23 UTCNVD updateCVSS v4 → 5.5
  50. 2026-09-06 18:24 UTCEG score recompute
  51. 2026-09-06 18:23 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-86221?
CVE-2026-86221 is a high vulnerability published on September 6, 2026. A flaw has been found in SourceCodester Class and Exam Timetabling System 1.0. The impacted element is the function mysqliquery of the file /admin/modaladd_course1.php. This manipulation of the argument course causes sql injection. The attack may be initiated remotely. The exploit has been…
When was CVE-2026-86221 disclosed?
CVE-2026-86221 was first published in the National Vulnerability Database on September 6, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-86221 actively exploited?
CVE-2026-86221 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 65.4% of all scored CVEs.
What is the CVSS score of CVE-2026-86221?
CVE-2026-86221 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-86221?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-86221, 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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