CVE-2026-55806

MEDIUMPre-NVD 5.95.9—
EchelonGraph scoreMEDIUM confidence

Score 5.9 from GitHub Security Advisory published 2026-07-11. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
5.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.9Exploit: None knownExposed: 0

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

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Drupal core allows Content Spoofing. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.

CVSS v3
5.9
EG Score
5.9(medium)
EG Risk
27(Track)
EG Risk 27/100SSVC: 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
Severity59% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
27%
KEV
Not listed

Published

July 10, 2026

Last Modified

July 16, 2026

Advisory Details (1)

Auto-updated Jul 13, 2026
No patch confirmed yet.
generic

Drupal core - Less critical - Cache poisoning and open redirect - SA-CORE-2026-007 | Drupal.org

https://www.drupal.org/sa-core-2026-007

Vendor Advisories for CVE-2026-55806(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFixed inDependents
drupal/core10.0.0 ... 9.5.9 (477 versions)11.2.0—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 14× 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.

Showing the most recent 100 of 117 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-55806?
CVE-2026-55806 is a medium vulnerability published on July 10, 2026. URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Drupal core allows Content Spoofing. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0., from 0.0.0 to 11.1..
When was CVE-2026-55806 disclosed?
CVE-2026-55806 was first published in the National Vulnerability Database on July 10, 2026, with the most recent update on July 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-55806 actively exploited?
CVE-2026-55806 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 73.5% of all scored CVEs.
What is the CVSS score of CVE-2026-55806?
CVE-2026-55806 has a CVSS v3.1 base score of 5.9 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-55806?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-55806, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-55806

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