CVE-2026-11430

HIGHPre-NVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory published 2026-08-07. The CNA's CVSS baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:vulncheck, epss, ghsa
Trending — 3 sources updated this week
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1.0%CVSS: 7.3Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Grav CMS's scheduler-webhook plugin contains an authentication bypass in the webhook token check. When the webhook feature is enabled but no webhookToken is configured, a compound conditional short-circuits and skips token validation, so an unauthenticated remote attacker who can reach POST /scheduler/webhook can trigger the operator's already-configured scheduled jobs by sending a single request. The primitive is triggering-existing-jobs, not attacker-chosen command execution: the attacker controls when the jobs run and which one runs (via ?job=), but does not control what the jobs do. Code execution follows only when the operator has configured a job that shells out, and even then the attacker controls timing rather than payload. Not a default-install issue: reaching the endpoint requires the separate scheduler-webhook GPM plugin to be installed, scheduler.modern.webhook.enabled to be true (default false), and no webhookToken to be configured; a stock Grav or Grav-Admin install exposes nothing here.

CVSS v3
7.3
EG Score
7.3HIGHmedium confidence
EG Risk
48
EG Risk 48/100CISA SSVC

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%
Exploitation1% × 40%
Automatability100% × 15%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
1.0%
EPSS %ILE
60th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 7, 2026

Last Modified

October 1, 2026

Advisory Details (4)

Auto-updated Aug 7, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit, github.
generic

Grav CMS Scheduler Webhook Authentication Bypass via Null Short-Circuit | Advisories | VulnCheck

https://www.vulncheck.com/advisories/grav-cms-scheduler-webhook-authentication-bypass-via-null-short-circuit
githubMentions a patch (unverified)🟡 PoC Available

Coordinated Vulnerability Disclosure - Trilby Media / Grav CMS · Advisory · getgrav/grav · GitHub

https://github.com/getgrav/grav/security/advisories/GHSA-xwv3-2mv2-w33x
github_commit Patch Available

commit 694f1dae06d9 (getgrav/grav)

Patch available: getgrav/grav 2.0.9 (contains commit 694f1dae06d9)

https://github.com/getgrav/grav/commit/694f1dae06d9061bbf0669c4291e3b206f998d71
generic

GitHub - getgrav/grav: Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS powered by PHP, Markdown, Twig, and Symfony · GitHub

https://github.com/getgrav/grav

Vendor Advisories for CVE-2026-11430(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 16× in last 7d / 81× 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 203 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-11430?
CVE-2026-11430 is a high vulnerability published on August 7, 2026. Grav CMS's scheduler-webhook plugin contains an authentication bypass in the webhook token check. When the webhook feature is enabled but no webhookToken is configured, a compound conditional short-circuits and skips token validation, so an unauthenticated remote attacker who can reach POST…
When was CVE-2026-11430 disclosed?
CVE-2026-11430 was first published on August 7, 2026, with the most recent update on October 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-11430 actively exploited?
CVE-2026-11430 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.0% probability of exploitation in the next 30 days (60th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-11430?
CVE-2026-11430 has a CVSS base score of 7.3 (the CNA's own assessment, by vulncheck; NVD's own analysis pending).
How do I remediate CVE-2026-11430?
A fix for CVE-2026-11430 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-11430 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-11430

Explore →

Is Your Infrastructure Affected by CVE-2026-11430?

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

Book a Demo →Browse All CVEs