CVE Explorer

CVE-2026-49872

Improper Authentication vulnerability in Apache APISIX. When the cas-auth plugin is used in a route, an attacker can possibly authenticate itself with credentials from a different source. This issue affects Apache APISIX: from 3.0.0 through 3.16.0. Users are recommended to upgrade to version 3.17.0, which fixes the issue.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2473a867867e312d9c7f4a10961d94575591c1084feed5c4626906bf0dec2829

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"Apache APISIX","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"3.16.0","status":"affected","version":"3.0.0","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:b54f7ee3165f0fcc246fbd9d7f19b928fdb13de45761874f1593dfd16fe22f23 · sha256:a0339cf2b5781169… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":5.3,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":…

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:b54f7ee3165f0fcc246fbd9d7f19b928fdb13de45761874f1593dfd16fe22f23 · sha256:a0339cf2b5781169… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

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

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:b54f7ee3165f0fcc246fbd9d7f19b928fdb13de45761874f1593dfd16fe22f23 · sha256:a0339cf2b5781169… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"url":"http://www.openwall.com/lists/oss-security/2026/06/19/15"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:b54f7ee3165f0fcc246fbd9d7f19b928fdb13de45761874f1593dfd16fe22f23 · sha256:a0339cf2b5781169… · /containers/adp/0/references/0

{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/bzjpo60ygxo7kxdqf7vw3l5zw2lh6m5k"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:b54f7ee3165f0fcc246fbd9d7f19b928fdb13de45761874f1593dfd16fe22f23 · sha256:a0339cf2b5781169… · /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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