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CVE-2026-41284EXPLOITEDPATCHED
apache · tomcat

Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling

Description

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.

Affected Products

VendorProductVersions
apachetomcat11.0.0-M1, 10.1.0-M1, 9.0.0.M1, 10.0.0-M1, 8.5.0, 4.0

References

  • https://lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc(vendor-advisory)

Related News (3 articles)

Tier B
CERT-FR1d ago
Multiples vulnérabilités dans Apache Tomcat (13 mai 2026)
→ No new info (linked only)
Tier C
VulDB1d ago
CVE-2026-41284 | Apache Tomcat up to 11.0.21 allocation of resources
→ No new info (linked only)
Tier C
oss-security2d ago
CVE-2026-41284: Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling
→ No new info (linked only)
CISA KEV❌ No
Actively exploited✅ Yes
Patch available
https://lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc
CWECWE-770
PublishedMay 12, 2026
Last enriched1d agov3
Trending Score52
Source articles3
Independent3
Info Completeness9/14
Missing: cvss, epss, kev, iocs, mitre_attack

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Related CVEs (5)

HIGHCVE-2026-29146
Apache Tomcat: EncryptInterceptor vulnerable to padding oracle attack by default
Trending: 54
CRITICALCVE-2026-41293EXP
Apache Tomcat: HTTP/2 request headers not validated
Trending: 52
CRITICALCVE-2026-43515EXP
Apache Tomcat: Security constraints not correctly applied
Trending: 52
NONECVE-2026-42498EXP
Apache Tomcat: WebSocket authentication header exposure
Trending: 52
HIGHCVE-2026-29129EXP
Apache Tomcat: TLS cipher order is not preserved
Trending: 44

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
May 12, 2026
Discovered by ZDM
May 12, 2026
Updated: severity, affectedVersions, exploitAvailable, activelyExploited
May 12, 2026
Updated: description, severity
May 12, 2026
Actively Exploited
May 13, 2026
Exploit Available
May 13, 2026
Patch Available
May 13, 2026

Version History

v3
Last enriched 1d ago
v3Tier C1d ago

Updated description with new details, changed severity to MEDIUM, and noted that no exploit exists.

descriptionseverity
via VulDB
v2Tier C1d ago

Updated severity to LOW, added new affected versions, and marked exploit availability and active exploitation status as true.

severityaffectedVersionsexploitAvailableactivelyExploited
via oss-security
v11d ago

Initial creation