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CVE-2026-16520

Improper input validation and Exposure of sensitive information through data queries vulnerability in Genians Genian NAC V4.0, Genians…

High8.7EPSS 0.55%
Published
Updated
Reserved
Assigned by
FSI

Description

Improper input validation and Exposure of sensitive information through data queries vulnerability in Genians Genian NAC V4.0, Genians Genian NAC V5.0, and Genians Genian ZTNA V6.0 allows SQL Injection and Authentication Bypass. This issue affects Genian NAC V4.0: from 4.0.0 before 4.0.175(Revision 150340); Genian NAC V5.0: from 5.0.0 before 5.0.65 LTS(Revision 150331), from 5.0.0 before 5.0.75 LTS(Revision 150330), from 5.0.0 before 5.0.87 Release Stable(Revision 150329), and from 5.0.0 before 5.0.88(Revision 150328); Genian ZTNA V6.0: from 6.0.0 before 6.0.26 LTS(Revision 150337), from 6.0.0 before 6.0.35 LTS(Revision 150336), from 6.0.0 before 6.0.47 Release Stable(Revision 150334), and from 6.0.0 before 6.0.48(Revision 150333).

Timeline

  1. ID reserved

    By FSI

  2. · 29 days later

    Published

  3. · 1 day later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-16520, by who scored it
Scored byCVSSScoreVector
FSICNA (assigner)4.0High8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
NVDNVD · Deferred4.0High8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (exploitation in 30 days)
0.55% · top 54% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.7.

Weakness

Affected products

  • Genians · Genian NAC V4.0

    • affected 4.0.0 – < 4.0.175(Revision 150340)

  • Genians · Genian NAC V5.0

    • affected 5.0.0 – < 5.0.65 LTS(Revision 150331)
    • affected 5.0.0 – < 5.0.75 LTS(Revision 150330)
    • affected 5.0.0 – < 5.0.87 Release Stable(Revision 150329)
    • affected 5.0.0 – < 5.0.88(Revision 150328)

  • Genians · Genian ZTNA V6.0

    • affected 6.0.0 – < 6.0.26 LTS(Revision 150337)
    • affected 6.0.0 – < 6.0.35 LTS(Revision 150336)
    • affected 6.0.0 – < 6.0.47 Release Stable(Revision 150334)
    • affected 6.0.0 – < 6.0.48(Revision 150333)

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .