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 47% 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
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: None knownExposed: 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)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
55%
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(5)

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

Patch Availability(5)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntutomcat10-user (10.1.40-1ubuntu1.26.04.1) @ resolute2026-08-23ubuntu
ubuntutomcat11-user (11.0.18-1ubuntu0.1~esm1) @ resolute2026-08-23ubuntu
redhattomcat-catalina2026-07-22redhat
redhatjws6-tomcat-0:10.1.49-15.redhat_00013.1.el9jws2026-07-22redhat
redhatjws7-tomcat-0:11.0.21-5.redhat_00004.1.el9jws2026-07-14redhat

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

(12 across 5 ecosystems)
Debian:13(3)
PackageVulnerable rangeFixed inDependents
tomcat1010.1.40-1 ... 10.1.55-1~deb12u1 (8 versions)10.1.55-1~deb13u1—
tomcat1111.0.11-1 ... 11.0.6-1 (6 versions)11.0.22-1~deb13u1—
tomcat9—9.0.70-2—
Debian:14(3)
PackageVulnerable rangeFixed inDependents
tomcat1010.1.40-1 ... 10.1.55-1~deb13u1 (9 versions)10.1.55-1—
tomcat1111.0.11-1 ... 11.0.6-1 (7 versions)11.0.22-1—
tomcat9—9.0.70-2—
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—
Debian:12(2)
PackageVulnerable rangeFixed inDependents
tomcat1010.1.10-1 ... 10.1.9-1 (33 versions)10.1.55-1~deb12u1—
tomcat9—9.0.70-2—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
tomcat99.0.107-0+deb11u1 ... 9.0.95-1 (34 versions)9.0.118-0+deb11u1—

Weakness Classification(1)

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

Additional Vendor Advisories

(2)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 7× in last 7d / 66× 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 175 total refreshes for this CVE.

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

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 1% probability of exploitation in the next 30 days, which ranks it in the top 44.9% of all scored CVEs.
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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-41284

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