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CVE-2026-42810

Apache Polaris accepts literal `*` characters in namespace and table names. When it later builds temporary S3 access policies for delegated table access, those same characters appear to be reused unescaped in S3 IAM resource patterns and `s3:prefix` conditions. In S3 IAM policy matching, `*` is treated as a wildcard rather than as ordinary text. That means temporary credentials issued for one crafted table can match the storage path of a different table. In private testing against Polaris
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0fda2c1c03d2e649c2e26e4dd02e51cac8d798be6da924e36ea22791e7d66cf6
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2e37999b1d010b3acc5c76b37dd00f1bdd0607dacc107b51adf8369a29b80da4 · sha256:1d1ab614961e054e… · /containers/cna/metrics/2/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.4,"baseSeverity":"CRITICAL","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2e37999b1d010b3acc5c76b37dd00f1bdd0607dacc107b51adf8369a29b80da4 · sha256:1d1ab614961e054e… · /containers/cna/metrics/1/cvssV4_0
cwe · 2 assertions

{"cweId":"CWE-116","description":"CWE-116 Improper Encoding or Escaping of Output","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2e37999b1d010b3acc5c76b37dd00f1bdd0607dacc107b51adf8369a29b80da4 · sha256:1d1ab614961e054e… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-20","description":"CWE-20 Improper Input Validation","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2e37999b1d010b3acc5c76b37dd00f1bdd0607dacc107b51adf8369a29b80da4 · sha256:1d1ab614961e054e… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Apache Polaris","vendor":"Apache Software Foundation","versions":[{"lessThan":"1.4.1","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2e37999b1d010b3acc5c76b37dd00f1bdd0607dacc107b51adf8369a29b80da4 · sha256:1d1ab614961e054e… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2e37999b1d010b3acc5c76b37dd00f1bdd0607dacc107b51adf8369a29b80da4 · sha256:1d1ab614961e054e… · /containers/cna/metrics/2/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.4,"baseSeverity":"CRITICAL","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2e37999b1d010b3acc5c76b37dd00f1bdd0607dacc107b51adf8369a29b80da4 · sha256:1d1ab614961e054e… · /containers/cna/metrics/1/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-116","description":"CWE-116 Improper Encoding or Escaping of Output","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2e37999b1d010b3acc5c76b37dd00f1bdd0607dacc107b51adf8369a29b80da4 · sha256:1d1ab614961e054e… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-20","description":"CWE-20 Improper Input Validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2e37999b1d010b3acc5c76b37dd00f1bdd0607dacc107b51adf8369a29b80da4 · sha256:1d1ab614961e054e… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/05/02/11"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2e37999b1d010b3acc5c76b37dd00f1bdd0607dacc107b51adf8369a29b80da4 · sha256:1d1ab614961e054e… · /containers/adp/0/references/0
{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/gg3qq9sqg4hdjmprqy46p40xmln61dm9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2e37999b1d010b3acc5c76b37dd00f1bdd0607dacc107b51adf8369a29b80da4 · sha256:1d1ab614961e054e… · /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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