TI-2026-78660 Aliases CVE-2026-114047

FreeRDP proxy accepts untrusted target TLS certificates

LOW 34CWE-295Published 2026-10-21 · Updated 2026-10-22

Key facts

Attack vector: Network
Privileges required: None
User interaction: Passive
Attack complexity: High
Attack requirements: Present
Impact type: Spoofing
Confidentiality · integrity · availability: High · High · None
Fix status: Partial Red Hat: 5 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-295.

Summary

FreeRDP from 2.0.0 before 3.32.0 has an improper certificate validation flaw (CWE-295) in its proxy. The proxy accepts untrusted target TLS certificates when no verification module is configured. A network-positioned attacker can intercept the proxy's outbound connection and present a self-signed certificate with a wrong hostname to impersonate the RDP target and receive proxied session data.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

FreeRDP from 2.0.0 before 3.32.0 contains an improper certificate validation vulnerability in its proxy that accepts untrusted target TLS certificates when no verification module is configured. Network-positioned attackers can intercept the proxy's outbound connection and present a self-signed, wrong-hostname certificate to impersonate the RDP target and receive proxied session data.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00189 8th percentileScored 2026-11-07

Fix Partial FreeRDP (FreeRDP): 3.32.0Red Hat: 5 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
FreeRDP	FreeRDP	2.0.0 to before 3.32.0	3.32.0	Patch available	CNA

FreeRDP VendorFreeRDP Affected 2.0.0 to before 3.32.0 Fixed in 3.32.0 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:freerdp:freerdp::::::::	—	—	FreeRDP

cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:* Versions — — ·FreeRDP

Remediation

FreeRDP is fixed in version 3.32.0. Red Hat Enterprise Linux 6, 7, 8, 9 and 10 are affected, and the sources list no fixed version for them.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Fix · CNA FreeRDP (FreeRDP) Fixed in 3.32.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2026-10-21
FreeRDP 3.32.0
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2026-78659 Null-pointer dereference in FreeRDP smartcard emulation crashes clientPriority MEDIUM 64
Show all 2 records →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 10	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 6	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 7	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 8	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 9	Affected	No fix yet: Fix deferred

Timeline

2026-10-21 Threatist record created from CVE-2026-114047
2026-10-21 Affected versions changed · Red Hat
2026-10-21 CVSS score added · Red Hat
2026-10-22 Priority changed: MEDIUM → LOW
2026-10-22 CISA SSVC decision points changed

References

Advisory 1

GitHub Security Advisory (GHSA-pjxv-5j98-cqx4)

TI-2026-85092 Use-after-free in FreeRDP rdpgfx channel close handling CVSS 4.0CRITICAL 9.3
TI-2026-85091 Out-of-bounds write in FreeRDP proxy via bitmap cache v2 capability CVSS 4.0CRITICAL 9.3
TI-2026-24435 FreeRDP has a `size_t` underflow in ADPCM decoder leads to heap-buffer-overflow write CVSS 3.1CRITICAL 9.8
TI-2023-21373 Out-Of-Bounds Write in FreeRDP CVSS 3.1CRITICAL 9.8
TI-2022-08692 Server side NTLM does not properly check parameters in FreeRDP CVSS 3.1CRITICAL 9.1
TI-2023-21374 Out-Of-Bounds Read in FreeRDP CVSS 3.1CRITICAL 9.1

See all 346 →

Sources

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