CVE-2026-41284

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.8%, top 49% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.5Exploit: NoneExposed: 0

A fix is available — apply it.

Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117. Older, unsupported versions may also be affected.

Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
51.6%
KEV
Not listed

Published

May 12, 2026

Last Modified

May 14, 2026

Advisory Details (2)

Auto-updated May 14, 2026
No patch confirmed yet.
generic

oss-security - CVE-2026-41284: Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling

http://www.openwall.com/lists/oss-security/2026/05/12/12
generic
https://lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc

Vendor Advisories for CVE-2026-41284(1)

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

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntutomcat11-user (11.0.18-1ubuntu0.1~esm1) @ resolute2026-06-28ubuntu
ubuntutomcat10-user (10.1.40-1ubuntu1.26.04.1) @ resolute2026-06-28ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(3 across 1 ecosystem)
Maven(3)
PackageVulnerable rangeFixed inDependents
org.apache.tomcat.embed:tomcat-embed-core11.0.0 ... 11.0.9 (42 versions)11.0.22—
org.apache.tomcat:tomcat11.0.0 ... 11.0.9 (42 versions)11.0.22—
org.apache.tomcat:tomcat-catalina11.0.0 ... 11.0.9 (42 versions)11.0.22—

Weakness Classification(1)

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

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 9× in last 7d / 58× 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 126 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-41284?
CVE-2026-41284 is a high vulnerability published on May 12, 2026. Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117. Older, unsupported versions may also be affected. Users are recommended to upgrade to…
When was CVE-2026-41284 disclosed?
CVE-2026-41284 was first published in the National Vulnerability Database on May 12, 2026, with the most recent update on May 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-41284 actively exploited?
CVE-2026-41284 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 51.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-41284?
CVE-2026-41284 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-41284?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-41284, 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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