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CVE-2026-39421

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a sandbox escape vulnerability in the ToolExecutor component. By leveraging Python's ctypes library to execute raw system calls, an authenticated attacker with workspace privileges can bypass the LD_PRELOAD-based sandbox.so module to achieve arbitrary code execution via direct kernel system calls, enabling full network exfiltration and container compromise. The library intercepts critical standard system functi
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:039c4209ec77138dac0640da05f5d5e840b33375a2d359350e1b7e121fd0f9cc
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-693","description":"CWE-693: Protection Mechanism Failure","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5965316a12d73222bee57facf5011c840829435ce629ca008f82bf09de7d4305 · sha256:9e26cb27713bd8e0… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-94","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5965316a12d73222bee57facf5011c840829435ce629ca008f82bf09de7d4305 · sha256:9e26cb27713bd8e0… · /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:v2:5965316a12d73222bee57facf5011c840829435ce629ca008f82bf09de7d4305 · sha256:9e26cb27713bd8e0… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":6.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5965316a12d73222bee57facf5011c840829435ce629ca008f82bf09de7d4305 · sha256:9e26cb27713bd8e0… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-693","description":"CWE-693: Protection Mechanism Failure","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5965316a12d73222bee57facf5011c840829435ce629ca008f82bf09de7d4305 · sha256:9e26cb27713bd8e0… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-94","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5965316a12d73222bee57facf5011c840829435ce629ca008f82bf09de7d4305 · sha256:9e26cb27713bd8e0… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/1Panel-dev/MaxKB/commit/479701a4d2e6059506bad0057a66bed91abb5aef","tags":["x_refsource_MISC"],"url":"https://github.com/1Panel-dev/MaxKB/commit/479701a4d2e6059506bad0057a66bed91abb5aef"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5965316a12d73222bee57facf5011c840829435ce629ca008f82bf09de7d4305 · sha256:9e26cb27713bd8e0… · /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:v2:5965316a12d73222bee57facf5011c840829435ce629ca008f82bf09de7d4305 · sha256:9e26cb27713bd8e0… · /containers/cna/references/2
{"name":"https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-9c6w-j7w5-3gf7","tags":["x_refsource_CONFIRM"],"url":"https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-9c6w-j7w5-3gf7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5965316a12d73222bee57facf5011c840829435ce629ca008f82bf09de7d4305 · sha256:9e26cb27713bd8e0… · /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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