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CVE-2026-34500

CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fixes the issue.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:24d084ea543137a017fc4a6836405149841f2b4d2c4a6f59eec6ad9580f80211
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-287","description":"CWE-287 Improper Authentication","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0e6e4c3ad88d50effa9c13bf6190460972dc82da69c3a97d8eeed41a9ebb97d1 · sha256:d519669f43911b19… · /containers/adp/1/problemTypes/0/descriptions/0

{"description":"CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled","lang":"en"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0e6e4c3ad88d50effa9c13bf6190460972dc82da69c3a97d8eeed41a9ebb97d1 · sha256:d519669f43911b19… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Apache Tomcat","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"11.0.20","status":"affected","version":"11.0.0-M14","versionType":"semver"},{"lessThanOrEqual":"10.1.53","status":"affected","version":"10.1.22","versionType":"semver"},{"lessThanOrEqual":"9.0.116","status":"affected","version":"9.0.92","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0e6e4c3ad88d50effa9c13bf6190460972dc82da69c3a97d8eeed41a9ebb97d1 · sha256:d519669f43911b19… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0e6e4c3ad88d50effa9c13bf6190460972dc82da69c3a97d8eeed41a9ebb97d1 · sha256:d519669f43911b19… · /containers/adp/1/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-287","description":"CWE-287 Improper Authentication","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0e6e4c3ad88d50effa9c13bf6190460972dc82da69c3a97d8eeed41a9ebb97d1 · sha256:d519669f43911b19… · /containers/adp/1/problemTypes/0/descriptions/0
{"description":"CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0e6e4c3ad88d50effa9c13bf6190460972dc82da69c3a97d8eeed41a9ebb97d1 · sha256:d519669f43911b19… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/04/09/29"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0e6e4c3ad88d50effa9c13bf6190460972dc82da69c3a97d8eeed41a9ebb97d1 · sha256:d519669f43911b19… · /containers/adp/0/references/0
{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/7rcl4zdxryc8hy3htyfyxkbqpxjtfdl2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0e6e4c3ad88d50effa9c13bf6190460972dc82da69c3a97d8eeed41a9ebb97d1 · sha256:d519669f43911b19… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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