Public vulnerability disclosure

CVE-2026-59839

CVE-2026-59839

publishedCWE-22

A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiPAM 1.8.0, FortiPAM 1.7.0 through 1.7.2, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.6.0 through 7.6.5, FortiProxy 7.4 through 7.4.13, FortiProxy 7.2 all versions, FortiProxy 7.0 all versions may allow attacker to execute unauthorized code or commands via <insert attack vector here>

Technical severity5.0 mediumCVSS 3.1 · CNA: fortinet
Published2026-07-14Source updated 2026-11-10
Collected2026-11-102 attributed sources

Fixes and workarounds

Fix

Upgrade to FortiProxy version 7.6.6 or above Upgrade to FortiOS version 8.0.0 or above Upgrade to FortiOS version 7.6.7 or above Upgrade to FortiOS version 7.4.10 or above Fortinet remediated this issue in FortiSASE version 26.1.1 and hence customers do not need to perform any action. Upgrade to FortiPAM version 1.9.0 or above Upgrade to FortiPAM version 1.8.1 or above Upgrade to FortiSwitchManager version 7.2.8 or above

Source: CNA: fortinet

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
FortiProxy
Fortinet
≥ 7.6.0; ≤ 7.6.5 (affected, semver)
≥ 7.4.0; ≤ 7.4.13 (affected, semver)
≥ 7.2.0; ≤ 7.2.16 (affected, semver)
≥ 7.0.0; ≤ 7.0.23 (affected, semver)
Other versions: unaffected
CNA: fortinet
FortiOS
Fortinet
≥ 7.6.0; ≤ 7.6.6 (affected, semver)
≥ 7.4.0; ≤ 7.4.9 (affected, semver)
≥ 7.2.0; ≤ 7.2.13 (affected, semver)
≥ 7.0.0; ≤ 7.0.19 (affected, semver)
≥ 6.4.0; ≤ 6.4.16 (affected, semver)
Other versions: unaffected
CNA: fortinet
FortiPAM
Fortinet
1.8.0 (affected)
≥ 1.7.0; ≤ 1.7.2 (affected, semver)
≥ 1.6.0; ≤ 1.6.2 (affected, semver)
≥ 1.5.0; ≤ 1.5.1 (affected, semver)
≥ 1.4.0; ≤ 1.4.3 (affected, semver)
≥ 1.3.0; ≤ 1.3.1 (affected, semver)
1.2.0 (affected)
≥ 1.1.0; ≤ 1.1.2 (affected, semver)
≥ 1.0.0; ≤ 1.0.3 (affected, semver)
Other versions: unaffected
CNA: fortinet
RUGGEDCOM APE1808
Siemens
≥ 0; < * (affected, custom)
Other versions: unknown
ADP: siemens-SADP

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
3.1 / 5.0
medium
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H/E:P/RL:O/RC:CCNA: fortinet

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

For agents and automation

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