CVE-2026-72590

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-10. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

An OS command injection vulnerability in alseambusher/crontab-ui through 0.4.2 allows an unauthenticated remote attacker to inject arbitrary cron job entries by sending a crafted GET request to /crontab with URL-encoded newlines in the env_vars parameter.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
69%
KEV
Not listed

Published

August 10, 2026

Last Modified

August 28, 2026

Advisory Details (2)

Auto-updated Sep 18, 2026
No patch confirmed yet.
generic

crontab-ui/app.js at main · alseambusher/crontab-ui · GitHub

https://github.com/alseambusher/crontab-ui/blob/master/app.js
generic

GitHub - alseambusher/crontab-ui: Easy and safe way to manage your crontab file · GitHub

https://github.com/alseambusher/crontab-ui

Vendor Advisories for CVE-2026-72590(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 45× in last 7d / 199× 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 288 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-72590?
CVE-2026-72590 is a critical vulnerability published on August 10, 2026. An OS command injection vulnerability in alseambusher/crontab-ui through 0.4.2 allows an unauthenticated remote attacker to inject arbitrary cron job entries by sending a crafted GET request to /crontab with URL-encoded newlines in the env_vars parameter.
When was CVE-2026-72590 disclosed?
CVE-2026-72590 was first published in the National Vulnerability Database on August 10, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-72590 actively exploited?
CVE-2026-72590 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 31.3% of all scored CVEs.
What is the CVSS score of CVE-2026-72590?
CVE-2026-72590 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-72590?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-72590, 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-2026-72590

Explore →

Is Your Infrastructure Affected by CVE-2026-72590?

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

Start Free Scan →Browse All CVEs