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CVE-2026-33758

A flaw was found in OpenBao. Installations that have an OIDC/JWT authentication method enabled with a role configured to use `callback_mode=direct` are vulnerable to XSS via the `error_description` parameter on the page for a failed authentication. This allows an attacker to access the token used by an authenticated user in the Web UI.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8261d56e8a13f7d00e06f720c385837f2fc9c5157544aa96fa80f6293869f15c
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
3

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/cna/affected/0

{"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:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/adp/1/affected/0
cvss · 2 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:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/adp/1/metrics/1/cvssV3_1

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.4,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/cna/metrics/0/cvssV4_0
cwe · 4 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:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-79","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/adp/1/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:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

2 source assertions
{"product":"openbao","vendor":"openbao","versions":[{"status":"affected","version":"< 2.5.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/cna/affected/0
{"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:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/adp/1/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:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/adp/1/metrics/1/cvssV3_1
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.4,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

4 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:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-79","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/adp/1/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:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/cna/problemTypes/1/descriptions/0

Source references

7 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-33758"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/adp/1/references/0
{"name":"RHBZ#2452294","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2452294"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/adp/1/references/1
{"name":"https://github.com/openbao/openbao/commit/6e2b2dd84f0e47cebc90d6e79609dd5274732662","tags":["x_refsource_MISC"],"url":"https://github.com/openbao/openbao/commit/6e2b2dd84f0e47cebc90d6e79609dd5274732662"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/cna/references/2
{"name":"https://github.com/openbao/openbao/pull/2709","tags":["x_refsource_MISC"],"url":"https://github.com/openbao/openbao/pull/2709"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/cna/references/1
{"name":"https://github.com/openbao/openbao/releases/tag/v2.5.2","tags":["x_refsource_MISC"],"url":"https://github.com/openbao/openbao/releases/tag/v2.5.2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/cna/references/3
{"name":"https://github.com/openbao/openbao/security/advisories/GHSA-cpj3-3r2f-xj59","tags":["x_refsource_CONFIRM"],"url":"https://github.com/openbao/openbao/security/advisories/GHSA-cpj3-3r2f-xj59"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /containers/cna/references/0
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33758.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d49a0f3744e1c7e53193f675527627542ca19d914f3eb1bdc2b988cec68b0db · sha256:fd9fa367364abbc2… · /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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