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CVE-2026-39423

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain an Eval Injection vulnerability in the Markdown rendering engine that allows any user capable of interacting with the AI chat interface to execute arbitrary JavaScript in the browsers of other users, including administrators, resulting in Stored Cross-Site Scripting (XSS). This issue has been fixed in version 2.8.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:510f7941f6b1e31942b6e633f1f03301cc142f6012c6b0fb6094f3a00f1ffdb0
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"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:c0a1889137c75b6cd6195e7e4470060d0a2733801ea20fa970ab730db90fd6d2 · sha256:1051008ff4c42a0c… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-95","description":"CWE-95: Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c0a1889137c75b6cd6195e7e4470060d0a2733801ea20fa970ab730db90fd6d2 · sha256:1051008ff4c42a0c… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"MaxKB","vendor":"1Panel-dev","versions":[{"status":"affected","version":"< 2.8.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c0a1889137c75b6cd6195e7e4470060d0a2733801ea20fa970ab730db90fd6d2 · sha256:1051008ff4c42a0c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c0a1889137c75b6cd6195e7e4470060d0a2733801ea20fa970ab730db90fd6d2 · sha256:1051008ff4c42a0c… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"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:c0a1889137c75b6cd6195e7e4470060d0a2733801ea20fa970ab730db90fd6d2 · sha256:1051008ff4c42a0c… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-95","description":"CWE-95: Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c0a1889137c75b6cd6195e7e4470060d0a2733801ea20fa970ab730db90fd6d2 · sha256:1051008ff4c42a0c… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/1Panel-dev/MaxKB/commit/34fb95bde9574c5b3a734ab00c7f29b9e7d32669","tags":["x_refsource_MISC"],"url":"https://github.com/1Panel-dev/MaxKB/commit/34fb95bde9574c5b3a734ab00c7f29b9e7d32669"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c0a1889137c75b6cd6195e7e4470060d0a2733801ea20fa970ab730db90fd6d2 · sha256:1051008ff4c42a0c… · /containers/cna/references/1
{"name":"https://github.com/1Panel-dev/MaxKB/releases/tag/v2.8.0","tags":["x_refsource_MISC"],"url":"https://github.com/1Panel-dev/MaxKB/releases/tag/v2.8.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c0a1889137c75b6cd6195e7e4470060d0a2733801ea20fa970ab730db90fd6d2 · sha256:1051008ff4c42a0c… · /containers/cna/references/2
{"name":"https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-462x-99gf-mp79","tags":["x_refsource_CONFIRM"],"url":"https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-462x-99gf-mp79"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c0a1889137c75b6cd6195e7e4470060d0a2733801ea20fa970ab730db90fd6d2 · sha256:1051008ff4c42a0c… · /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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