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TI-2026-20770 Aliases CVE-2026-25689GHSA-g4q6-2jp5-77j8

An improper neutralization of argument delimiters in a command ('argument injection')…

Priority LOW 28CWE-88Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
None · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-88.

Summary

An improper neutralization of argument delimiters in a command ('argument injection') vulnerability in Fortinet FortiDeceptor 6.2.0, FortiDeceptor 6.0 all versions, FortiDeceptor 5.3 all versions, FortiDeceptor 5.2 all versions, FortiDeceptor 5.1 all versions, FortiDeceptor 5.0 all versions, FortiDeceptor 4.3 all versions, FortiDeceptor 4.2 all versions, FortiDeceptor 4.1 all versions, FortiDeceptor 4.0 all versions may allow a privileged attacker with super-admin profile and CLI access to delete sensitive files via crafted HTTP requests.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00622 50th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FortinetFortiDeceptor6.2.0; 6.0.0 – 6.0.4; 5.3.0 – 5.3.4; 5.2.0 – 5.2.2; 5.1.0; 5.0.0; 4.3.0; 4.2.0; 4.1.0 – 4.1.1; 4.0.0 – 4.0.2—No fix listedCNA
  • FortiDeceptor VendorFortinet Affected 6.2.0; 6.0.0 – 6.0.4; 5.3.0 – 5.3.4; 5.2.0 – 5.2.2; 5.1.0; 5.0.0; 4.3.0; 4.2.0; 4.1.0 – 4.1.1; 4.0.0 – 4.0.2 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortideceptor:*:*:*:*:*:*:*:*4.0.0 – 6.0.3VulnerableFortinet
cpe:2.3:a:fortinet:fortideceptor:6.2.0:*:*:*:*:*:*:*6.2.0VulnerableFortinet
  • cpe:2.3:a:fortinet:fortideceptor:*:*:*:*:*:*:*:* Versions 4.0.0 – 6.0.3 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortideceptor:6.2.0:*:*:*:*:*:*:* Versions 6.2.0 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-25689
  2. 2026-10-03 Alias added: GHSA-g4q6-2jp5-77j8
  3. 2026-11-06 EPSS moved to the 50th–90th percentile
  4. 2026-11-06 Affected versions changed · CNA

References

Advisory 1

  • TI-2020-17523 OS command injection in Fortinet FortiDeceptor CVSS 3.1HIGH 8.8
  • TI-2022-10502 Improper privilege management in Fortinet FortiDeceptor CVSS 3.1HIGH 8.8
  • TI-2020-05464 Insufficient session expiration in Fortinet FortiDeceptor CVSS 3.1HIGH 8.1
  • TI-2022-18000 Cross-site scripting in Fortinet FortiDeceptor CVSS 3.1HIGH 8.0
  • TI-2022-12537 Path traversal in Fortinet FortiDeceptor CVSS 3.1HIGH 8.1
  • TI-2022-12540 Missing brute-force protection in Fortinet FortiSandbox CVSS 3.1HIGH 7.5
See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences