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TI-2026-84333 Aliases CVE-2026-118527GHSA-4hjv-6c7p-cpmq

Predictable filenames in Ivanti Connect Secure allow malicious file uploads

Priority HIGH 77Exploited in the wildCWE-340Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Ivanti Connect Secure versions before 25.1.1.3 and 22.8R2.6 use predictable filenames. A remote authenticated attacker with low privileges can upload files with attacker-controlled content to a known location on disk. This weakness is CWE-340. CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog, added on 2026-10-30.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Description from the CNA

Use of predictable filenames in Ivanti Connect Secure before versions 25.1.1.3 and 22.8R2.6 allows a remote authenticated attacker to upload files with attacker-controlled content to a known location on disk.

Why it matters now

Exploitation Active In CISA KEV since 2026-10-30CISA due date 2026-11-13
EPSS 0.00822 57th percentileScored 2026-11-07
Fix Fixed Connect Secure (Ivanti): 25.1.1.3, 22.8R2.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
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
IvantiConnect Secure—25.1.1.3, 22.8R2.6Patch availableCNA
  • Connect Secure VendorIvanti Affected — Fixed in 25.1.1.3, 22.8R2.6 Patch available CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:ivanti:connect_secure:*:*:*:*:*:*:*:*25.1.0.0 to before 25.1.1.3VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.8:r2:*:*:*:*:*:*22.8 r2VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.8:r2.1:*:*:*:*:*:*22.8 r2.1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.8:r2.2:*:*:*:*:*:*22.8 r2.2VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.8:r2.3:*:*:*:*:*:*22.8 r2.3VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.8:r2.4:*:*:*:*:*:*22.8 r2.4VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.8:r2.5:*:*:*:*:*:*22.8 r2.5VulnerableIvanti
  • cpe:2.3:a:ivanti:connect_secure:*:*:*:*:*:*:*:* Versions 25.1.0.0 to before 25.1.1.3 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.8:r2:*:*:*:*:*:* Versions 22.8 r2 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.8:r2.1:*:*:*:*:*:* Versions 22.8 r2.1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.8:r2.2:*:*:*:*:*:* Versions 22.8 r2.2 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.8:r2.3:*:*:*:*:*:* Versions 22.8 r2.3 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.8:r2.4:*:*:*:*:*:* Versions 22.8 r2.4 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.8:r2.5:*:*:*:*:*:* Versions 22.8 r2.5 Vulnerable ·Ivanti

Remediation

Upgrade Ivanti Connect Secure to version 25.1.1.3 or 22.8R2.6. CISA requires U.S. federal agencies to fix it by 2026-11-13.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

  • Fix · CNA Connect Secure (Ivanti) Fixed in 25.1.1.3, 22.8R2.6

Timeline

  1. 2026-10-30 Added to CISA KEV
  2. 2026-11-03 Threatist record created from CVE-2026-118527
  3. 2026-11-03 CISA SSVC decision points changed
  4. 2026-11-03 Alias added: GHSA-4hjv-6c7p-cpmq

References

Advisory 1

  • TI-2025-16349 Stack-based buffer overflow in Ivanti Connect Secure KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-05754 Improper authentication in Pulse Connect Secure KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-08600 In Pulse Secure Pulse Connect Secure (PCS) 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and… KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-00226 Stack-based buffer overflow in Ivanti Connect Secure KEVCVSS 3.1CRITICAL 9.0
  • TI-2024-14549 Command injection in Ivanti ICS KEVCVSS 3.1CRITICAL 9.1
  • TI-2021-05760 Command injection in Pulse Connect Secure KEVCVSS 3.1HIGH 8.8
See all 132 →

Sources

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