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CVE-2026-33757

A flaw was found in OpenBao. A missing prompt for user confirmation when logging in via the JWT/OIDC authentication method with a role configured to use `callback_mode=direct` allows an attacker to initiate an authentication request and perform a "remote phishing" attack by tricking an authenticated user into visiting a crafted URL, automatically logging the user into the session of the attacker.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c5bfbf82efdfb11c635a5d3a2f3ba68c7f2c6600d298567f098a3dc7a1d323b8
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:cryostat:4"],"defaultStatus":"unaffected","packageName":"cryostat/cryostat-storage-rhel9","product":"Cryostat 4","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5422a84362500c4a2923fa297429e1784afc9a0d3e249bbad9a80f775bdbccc9 · sha256:c93c2719f0496532… · /containers/adp/1/affected/0

{"product":"openbao","vendor":"openbao","versions":[{"status":"affected","version":"< 2.5.2"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5422a84362500c4a2923fa297429e1784afc9a0d3e249bbad9a80f775bdbccc9 · sha256:c93c2719f0496532… · /containers/cna/affected/0
cwe · 2 assertions

{"cweId":"CWE-384","description":"CWE-384: Session Fixation","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5422a84362500c4a2923fa297429e1784afc9a0d3e249bbad9a80f775bdbccc9 · sha256:c93c2719f0496532… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-384","description":"Session Fixation","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5422a84362500c4a2923fa297429e1784afc9a0d3e249bbad9a80f775bdbccc9 · sha256:c93c2719f0496532… · /containers/adp/1/problemTypes/0/descriptions/0

Affected products and versions

2 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:cryostat:4"],"defaultStatus":"unaffected","packageName":"cryostat/cryostat-storage-rhel9","product":"Cryostat 4","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5422a84362500c4a2923fa297429e1784afc9a0d3e249bbad9a80f775bdbccc9 · sha256:c93c2719f0496532… · /containers/adp/1/affected/0
{"product":"openbao","vendor":"openbao","versions":[{"status":"affected","version":"< 2.5.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5422a84362500c4a2923fa297429e1784afc9a0d3e249bbad9a80f775bdbccc9 · sha256:c93c2719f0496532… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":9.6,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5422a84362500c4a2923fa297429e1784afc9a0d3e249bbad9a80f775bdbccc9 · sha256:c93c2719f0496532… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":9.6,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5422a84362500c4a2923fa297429e1784afc9a0d3e249bbad9a80f775bdbccc9 · sha256:c93c2719f0496532… · /containers/adp/1/metrics/1/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-384","description":"CWE-384: Session Fixation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5422a84362500c4a2923fa297429e1784afc9a0d3e249bbad9a80f775bdbccc9 · sha256:c93c2719f0496532… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-384","description":"Session Fixation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5422a84362500c4a2923fa297429e1784afc9a0d3e249bbad9a80f775bdbccc9 · sha256:c93c2719f0496532… · /containers/adp/1/problemTypes/0/descriptions/0

Source references

6 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-33757"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5422a84362500c4a2923fa297429e1784afc9a0d3e249bbad9a80f775bdbccc9 · sha256:c93c2719f0496532… · /containers/adp/1/references/0
{"name":"RHBZ#2452269","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2452269"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5422a84362500c4a2923fa297429e1784afc9a0d3e249bbad9a80f775bdbccc9 · sha256:c93c2719f0496532… · /containers/adp/1/references/1
{"name":"https://datatracker.ietf.org/doc/html/rfc8628#section-5.4","tags":["x_refsource_MISC"],"url":"https://datatracker.ietf.org/doc/html/rfc8628#section-5.4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5422a84362500c4a2923fa297429e1784afc9a0d3e249bbad9a80f775bdbccc9 · sha256:c93c2719f0496532… · /containers/cna/references/2
{"name":"https://github.com/openbao/openbao/commit/e32103951925723e9787e33886ab6b6ec20f4964","tags":["x_refsource_MISC"],"url":"https://github.com/openbao/openbao/commit/e32103951925723e9787e33886ab6b6ec20f4964"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5422a84362500c4a2923fa297429e1784afc9a0d3e249bbad9a80f775bdbccc9 · sha256:c93c2719f0496532… · /containers/cna/references/1
{"name":"https://github.com/openbao/openbao/security/advisories/GHSA-7q7g-x6vg-xpc3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/openbao/openbao/security/advisories/GHSA-7q7g-x6vg-xpc3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5422a84362500c4a2923fa297429e1784afc9a0d3e249bbad9a80f775bdbccc9 · sha256:c93c2719f0496532… · /containers/cna/references/0
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33757.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5422a84362500c4a2923fa297429e1784afc9a0d3e249bbad9a80f775bdbccc9 · sha256:c93c2719f0496532… · /containers/adp/1/references/2

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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