CVE-2026-40733

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-17. a secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.1Exploit: None knownExposed: 0

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

Unauthenticated PHP Object Injection in ShiftUp <= 1.3 versions.

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: 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
Severity81% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
23%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 17, 2026

References (1)

Vendor Advisories for CVE-2026-40733(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 11× in last 7d / 90× 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.

Showing the most recent 100 of 205 total refreshes for this CVE.

  1. 2026-08-28 21:41 UTCEPSS rescore
  2. 2026-08-27 14:25 UTCEPSS rescore
  3. 2026-08-26 14:46 UTCEPSS rescore
  4. 2026-08-25 13:49 UTCEPSS rescore
  5. 2026-08-24 22:25 UTCEG score recompute
  6. 2026-08-24 22:25 UTCGHSA enrichment
  7. 2026-08-24 06:53 UTCGHSA enrichment
  8. 2026-08-23 17:25 UTCGHSA enrichment
  9. 2026-08-23 04:25 UTCEG score recompute
  10. 2026-08-23 04:25 UTCGHSA enrichment
  11. 2026-08-23 00:19 UTCEPSS rescore
  12. 2026-08-21 23:49 UTCEPSS rescore
  13. 2026-08-21 23:21 UTCGHSA enrichment
  14. 2026-08-21 10:16 UTCEG score recompute
  15. 2026-08-21 10:16 UTCGHSA enrichment
  16. 2026-08-20 22:55 UTCEPSS rescore
  17. 2026-08-20 21:15 UTCGHSA enrichment
  18. 2026-08-20 08:14 UTCEG score recompute
  19. 2026-08-20 08:14 UTCGHSA enrichment
  20. 2026-08-19 17:03 UTCEPSS rescore
  21. 2026-08-19 08:11 UTCEG score recompute
  22. 2026-08-19 08:11 UTCGHSA enrichment
  23. 2026-08-18 13:48 UTCEPSS rescore
  24. 2026-08-17 13:47 UTCEPSS rescore
  25. 2026-08-17 10:03 UTCGHSA enrichment
Show 75 more
  1. 2026-08-16 21:03 UTCEG score recompute
  2. 2026-08-16 21:03 UTCGHSA enrichment
  3. 2026-08-16 14:56 UTCEPSS rescore
  4. 2026-08-16 05:18 UTCEG score recompute
  5. 2026-08-16 05:18 UTCGHSA enrichment
  6. 2026-08-16 02:14 UTCEPSS rescore
  7. 2026-08-15 16:18 UTCGHSA enrichment
  8. 2026-08-15 03:17 UTCEG score recompute
  9. 2026-08-15 03:17 UTCGHSA enrichment
  10. 2026-08-15 01:30 UTCEPSS rescore
  11. 2026-08-14 14:16 UTCGHSA enrichment
  12. 2026-08-14 01:15 UTCEG score recompute
  13. 2026-08-14 01:15 UTCGHSA enrichment
  14. 2026-08-13 22:00 UTCEPSS rescore
  15. 2026-08-13 12:14 UTCGHSA enrichment
  16. 2026-08-12 23:14 UTCEG score recompute
  17. 2026-08-12 23:14 UTCGHSA enrichment
  18. 2026-08-12 13:51 UTCEPSS rescore
  19. 2026-08-12 10:13 UTCGHSA enrichment
  20. 2026-08-11 21:12 UTCEG score recompute
  21. 2026-08-11 21:12 UTCGHSA enrichment
  22. 2026-08-11 13:43 UTCEPSS rescore
  23. 2026-08-11 08:12 UTCEG score recompute
  24. 2026-08-11 08:12 UTCGHSA enrichment
  25. 2026-08-11 00:00 UTCEPSS rescore
  26. 2026-08-10 19:11 UTCGHSA enrichment
  27. 2026-08-10 06:10 UTCGHSA enrichment
  28. 2026-08-09 17:09 UTCEG score recompute
  29. 2026-08-09 17:09 UTCGHSA enrichment
  30. 2026-08-09 13:46 UTCEPSS rescore
  31. 2026-08-09 04:09 UTCEG score recompute
  32. 2026-08-09 04:09 UTCGHSA enrichment
  33. 2026-08-08 16:37 UTCEPSS rescore
  34. 2026-08-08 15:09 UTCGHSA enrichment
  35. 2026-08-08 02:07 UTCEG score recompute
  36. 2026-08-08 02:07 UTCGHSA enrichment
  37. 2026-08-07 13:06 UTCGHSA enrichment
  38. 2026-08-07 00:06 UTCEG score recompute
  39. 2026-08-07 00:06 UTCGHSA enrichment
  40. 2026-08-06 13:46 UTCEPSS rescore
  41. 2026-08-06 11:05 UTCGHSA enrichment
  42. 2026-08-05 22:03 UTCEG score recompute
  43. 2026-08-05 22:03 UTCGHSA enrichment
  44. 2026-08-05 19:17 UTCEPSS rescore
  45. 2026-08-05 09:03 UTCGHSA enrichment
  46. 2026-08-04 15:26 UTCEG score recompute
  47. 2026-08-04 15:26 UTCGHSA enrichment
  48. 2026-08-04 15:10 UTCEPSS rescore
  49. 2026-08-04 10:38 UTCEPSS rescore
  50. 2026-08-03 22:38 UTCEG score recompute
  51. 2026-08-03 22:38 UTCGHSA enrichment
  52. 2026-08-03 10:36 UTCEPSS rescore
  53. 2026-08-03 09:37 UTCGHSA enrichment
  54. 2026-08-02 20:26 UTCGHSA enrichment
  55. 2026-08-02 07:25 UTCGHSA enrichment
  56. 2026-08-01 18:24 UTCGHSA enrichment
  57. 2026-08-01 05:23 UTCEG score recompute
  58. 2026-08-01 05:23 UTCGHSA enrichment
  59. 2026-08-01 04:16 UTCEPSS rescore
  60. 2026-07-31 11:58 UTCGHSA enrichment
  61. 2026-07-30 22:40 UTCEG score recompute
  62. 2026-07-30 22:40 UTCGHSA enrichment
  63. 2026-07-30 16:28 UTCEPSS rescore
  64. 2026-07-30 04:15 UTCEG score recompute
  65. 2026-07-30 04:15 UTCGHSA enrichment
  66. 2026-07-30 01:30 UTCEPSS rescore
  67. 2026-07-29 15:14 UTCGHSA enrichment
  68. 2026-07-29 02:12 UTCEG score recompute
  69. 2026-07-29 02:11 UTCGHSA enrichment
  70. 2026-07-28 15:36 UTCEPSS rescore
  71. 2026-07-28 01:15 UTCEG score recompute
  72. 2026-07-28 01:15 UTCGHSA enrichment
  73. 2026-07-27 14:13 UTCEPSS rescore
  74. 2026-07-27 08:10 UTCGHSA enrichment
  75. 2026-07-26 19:09 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-40733?
CVE-2026-40733 is a high vulnerability published on June 17, 2026. Unauthenticated PHP Object Injection in ShiftUp <= 1.3 versions.
When was CVE-2026-40733 disclosed?
CVE-2026-40733 was first published in the National Vulnerability Database on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-40733 actively exploited?
CVE-2026-40733 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 77.0% of all scored CVEs.
What is the CVSS score of CVE-2026-40733?
CVE-2026-40733 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-40733?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-40733, 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-2026-40733

Explore →

Is Your Infrastructure Affected by CVE-2026-40733?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs