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CVE-2026-46395

HAX CMS helps manage microsite universe with PHP or NodeJs backends. Prior to version 26.0.0, the `hmacBase64()` function in the HAXcms Node.js backend contains two critical cryptographic implementation errors that together allow any unauthenticated attacker to extract the system’s private signing key and forge arbitrary admin-level JSON Web Tokens (JWTs) allowing them to get full admin access with a single HTTP request. First, the function passes the literal string "0" as the HMAC signing key i
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2e7f88010bf036bc8c14eacb98cc50060741eaa344235a493cff2ed795462b9a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8153acdddc51a2255b987b9689a041ac49bf5ce52471e78b985e7932c862c19a · sha256:4f658f921be71853… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-327","description":"CWE-327: Use of a Broken or Risky Cryptographic Algorithm","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8153acdddc51a2255b987b9689a041ac49bf5ce52471e78b985e7932c862c19a · sha256:4f658f921be71853… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-321","description":"CWE-321: Use of Hard-coded Cryptographic Key","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8153acdddc51a2255b987b9689a041ac49bf5ce52471e78b985e7932c862c19a · sha256:4f658f921be71853… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"haxcms-nodejs","vendor":"haxtheweb","versions":[{"status":"affected","version":"< 26.0.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8153acdddc51a2255b987b9689a041ac49bf5ce52471e78b985e7932c862c19a · sha256:4f658f921be71853… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8153acdddc51a2255b987b9689a041ac49bf5ce52471e78b985e7932c862c19a · sha256:4f658f921be71853… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

3 source assertions
{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8153acdddc51a2255b987b9689a041ac49bf5ce52471e78b985e7932c862c19a · sha256:4f658f921be71853… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-327","description":"CWE-327: Use of a Broken or Risky Cryptographic Algorithm","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8153acdddc51a2255b987b9689a041ac49bf5ce52471e78b985e7932c862c19a · sha256:4f658f921be71853… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-321","description":"CWE-321: Use of Hard-coded Cryptographic Key","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8153acdddc51a2255b987b9689a041ac49bf5ce52471e78b985e7932c862c19a · sha256:4f658f921be71853… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/haxtheweb/issues/security/advisories/GHSA-6c8g-9hfh-pq5h","tags":["x_refsource_CONFIRM"],"url":"https://github.com/haxtheweb/issues/security/advisories/GHSA-6c8g-9hfh-pq5h"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8153acdddc51a2255b987b9689a041ac49bf5ce52471e78b985e7932c862c19a · sha256:4f658f921be71853… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/haxtheweb/issues/security/advisories/GHSA-6c8g-9hfh-pq5h"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8153acdddc51a2255b987b9689a041ac49bf5ce52471e78b985e7932c862c19a · sha256:4f658f921be71853… · /containers/adp/0/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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