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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-40688

CVE-2026-40688: 1 tracked advisory record across Fortinet. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

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Vendor advisory comparison

Fortinet

1 advisory
  • Advisory severityMedium6.7

    Medium [CVE-2026-40688] Out-Of-Bounds Write in administrative interface

    FG-IR-26-127Source published Source updated

    CVSSv3 Score: 6.7 An out-of-bounds write vulnerability [CWE-787] in FortiWeb CGI daemon may allow a remote privileged attacker to execute arbitrary code or command via crafted HTTP requests. Revised on 2026-04-15 00:00:00

    Related products — impact not confirmed
    • FortiWeb
    Source-reported affected versions
    • FortiWeb 8.0: 8.0.0 through 8.0.3
    • FortiWeb 7.6: 7.6.0 through 7.6.6
    • FortiWeb 7.4: 7.4.0 through 7.4.11
    Source-reported fixed versions
    • FortiWeb 8.0: 8.0.4
    • FortiWeb 7.6: 7.6.7
    • FortiWeb 7.4: 7.4.12
    Mitigation guidance
    • Upgrade per the Affected/Solution table: FortiWeb 8.0: 8.0.4; FortiWeb 7.6: 7.6.7; FortiWeb 7.4: 7.4.12.
    Full advisory and evidenceOpen source bulletin

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