CVE-2026-59838

mediumpriority · track · 19EPSS 0.002 · 14 %ileDEEUNLUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.24% (14th) EPSS

CVSS 4.8 · medium

Is it mine?

25 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · ncsc_nl

EPSS · scored 2026-10-22

A improper neutralization of script-related html tags in a web page (basic xss) vulnerability in Fortinet FortiSIEM 7.4.0, FortiSIEM 7.3.0 through 7.3.4, FortiSIEM 7.2.0 through 7.2.6, FortiSIEM 7.1 all versions, FortiSIEM 7.0 all versions, FortiSIEM 6.7 all versions, FortiSIEM 6.6 all versions, FortiSIEM 6.5 all versions, FortiSIEM 6.4 all versions may allow attacker to execute unauthorized code or commands via <insert attack vector here>

cvss

Technical severity, 0–10. One row per scoring source.

5.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 1.7 · impact 2.7

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L/E:P/RL:O/RC:Csecondary · ENISA EU

v3.15.9mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Lsecondary · psirt@fortinet.comexploitability 1.7 · impact 3.7

v3.14.4mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.15.9mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L/E:P/RL:O/RC:Csecondary · NCSC-NL NL

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-80US

affected products (25)

Products and version ranges known to be affected.

Fortinet FortiSIEM <7.2.7all versionscert_bundDE
Fortinet FortiSIEM <7.3.5all versionscert_bundDE
Fortinet FortiSIEM <7.4.1all versionscert_bundDE
Fortinet FortiSIEM< 7.2.7cert_bundDE
Fortinet FortiSIEM< 7.3.5cert_bundDE
Fortinet FortiSIEM< 7.4.1cert_bundDE
Fortinet FortiSIEM≤ 6.5.0 ≤6.5.3enisa_euvdEU
Fortinet FortiSIEM≤ 6.2.0 ≤6.2.1enisa_euvdEU
Fortinet FortiSIEM≤ 6.6.0 ≤6.6.5enisa_euvdEU
Fortinet FortiSIEM≤ 7.1.0 ≤7.1.9enisa_euvdEU
Fortinet FortiSIEM≤ 7.4.0enisa_euvdEU
Fortinet FortiSIEM≤ 6.7.0 ≤6.7.10enisa_euvdEU
Fortinet FortiSIEM≤ 6.3.0 ≤6.3.3enisa_euvdEU
Fortinet FortiSIEM≤ 7.0.0 ≤7.0.4enisa_euvdEU
Fortinet FortiSIEM≤ 7.2.0 ≤7.2.6enisa_euvdEU
Fortinet FortiSIEM≤ 6.4.0 ≤6.4.4enisa_euvdEU
Fortinet FortiSIEM≤ 7.3.0 ≤7.3.4enisa_euvdEU
Fortinet FortiOS≤ vers:unknown/*ncsc_nlNL
Fortinet FortiPAM≤ vers:unknown/*ncsc_nlNL
Fortinet FortiProxy≤ vers:unknown/*ncsc_nlNL

showing 20 of 25

advisories (2)

Vendor and ecosystem advisories describing this.

NCSC-2026-0240Kwetsbaarheden verholpen in meerdere Fortinet productenNL2026-07-15csaf · ncsc_nlNL
Fortinet heeft kwetsbaarheden verholpen in meerdere versies van FortiSIEM (Windows Agent en algemene productversies), FortiOS, FortiPAM en FortiProxy.
WID-SEC-W-2026-2330Fortinet FortiSIEM: Mehrere SchwachstellenDeutsch2026-07-14csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Fortinet FortiSIEM ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen oder Code auszuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund ncsc_nl NVD CVE.org MITRE

published 2026-07-15modified 2026-07-15

references (3)

External citations — patches, advisories, analysis.

scry

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