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01 Record

CVE-2026-59839

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

MediumPUBLISHEDCNA: fortinet
CNA base score5.0 CVSS v3.xCVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H/E:P/RL:O/RC:C

02 Description

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

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.25% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 16.3% of scored records. A rank, not a probability.
NVD base score
5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-10-24.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-07-14 15:19Z3 MO AGO
Last updated
2026-10-15 01:23Z15 DAYS AGO
Reserved
2026-07-07
Assigning CNA
fortinet
Record state
PUBLISHED
Severity
Medium (CVSS 5.0)
CNA CVSS vector
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H/E:P/RL:O/RC:C
Weaknesses
  • CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base
Data version
5.2
Document digest
6941ba48d8505feac6993e08e2360bb2009354131133428b54f1c279fbb9d207

05 Affected products

VendorProductVersionsPlatforms
FortinetFortiProxy7.6.0 to 7.6.5, 7.4.0 to 7.4.13, 7.2.0 to 7.2.16, 7.0.0 to 7.0.23—
FortinetFortiOS7.6.0 to 7.6.6, 7.4.0 to 7.4.9, 7.2.0 to 7.2.13, 7.0.0 to 7.0.19, 6.4.0 to 6.4.16—
FortinetFortiPAM1.8.0, 1.7.0 to 1.7.2, 1.6.0 to 1.6.2, 1.5.0 to 1.5.1, 1.4.0 to 1.4.3, 1.3.0 to 1.3.1, 1.2.0, 1.1.0 to 1.1.2, 1.0.0 to 1.0.3—

06 References

07 Remediation

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