CVE Explorer
CVE-2026-25854
Occasional URL redirection to untrusted Site ('Open Redirect') vulnerability in Apache Tomcat via the LoadBalancerDrainingValve.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M23 through 9.0.115, from 8.5.30 through 8.5.100.
Other, unsupported versions may also be affected
Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Apache Tomcat","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"11.0.18","status":"affected","version":"11.0.0-M1","versionType":"semver"},{"lessThanOrEqual":"10.1.52","status":"affected","version":"10.1.0-M1","versionType":"semver"},{"lessThanOrEqual":"9.0.115","status":"affected","version":"9.0.0.M23","versionType":"semver"},{"lessThanOrEqual":"8.5.100","status":"affected","version":"8.5.30","versionType":"semver"},{"lessThanOrEqual":"7.0.109","status":"unaffected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:053ea99b2488ae88e926a6c025b0a587ba56aa00237efc8184c8222e2233aa42 · sha256:445e2ff98ceadf4d… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:053ea99b2488ae88e926a6c025b0a587ba56aa00237efc8184c8222e2233aa42 · sha256:445e2ff98ceadf4d… · /containers/adp/1/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-601","description":"CWE-601 URL Redirection to Untrusted Site ('Open Redirect')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:053ea99b2488ae88e926a6c025b0a587ba56aa00237efc8184c8222e2233aa42 · sha256:445e2ff98ceadf4d… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"http://www.openwall.com/lists/oss-security/2026/04/09/21"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:053ea99b2488ae88e926a6c025b0a587ba56aa00237efc8184c8222e2233aa42 · sha256:445e2ff98ceadf4d… · /containers/adp/0/references/0
{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/ghct3b6o74bp2vm7q875s1zh0dqrz3h0"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:053ea99b2488ae88e926a6c025b0a587ba56aa00237efc8184c8222e2233aa42 · sha256:445e2ff98ceadf4d… · /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.