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CVE-2026-109244— FreeRDP 2.0.0 before 3.32.0 Insecure Private Key Permissions in winpr-makecert

Quick assessment

Affected
FreeRDP FreeRDP
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FreeRDP 2.0.0 至 3.32.0（不含）版本中存在一个不安全的权限漏洞，该漏洞位于 winpr-makecert 模块中，会导致生成未加密的私钥，且这些私钥未设置仅限所有者访问的文件权限。在支持多用户的 Unix 系统上，本地用户可以读取全局可读的密钥文件，或利用硬编码的默认密码打开 PFX 文件，从而窃取私钥。

CVSS 6.6 · Medium EPSS 0.10% · P1

Possible ATT&CK Techniques 1 AI

T1552.004 · Private Keys

Affected Version Matrix 2

VendorProduct Version RangeStatus
FreeRDP FreeRDP 2.0.0< 3.32.0 affected
3.32.0 unaffected
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I. Basic Information for CVE-2026-109244

Vulnerability Information
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Vulnerability Title
FreeRDP 2.0.0 before 3.32.0 Insecure Private Key Permissions in winpr-makecert
Source: CVE Program / CVE List V5
Vulnerability Description
FreeRDP from 2.0.0 before 3.32.0 contains an insecure permission vulnerability in winpr-makecert that creates unencrypted private keys without owner-only file modes. Local users on multi-user Unix hosts can read world-readable key files or open PFX files protected by the hard-coded default password to steal private keys.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键资源的不正确权限授予
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
FreeRDP FreeRDP 2.0.0 ~ 3.32.0 -

II. Public POCs for CVE-2026-109244

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III. Intelligence Information for CVE-2026-109244

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Vendor Advisories for CVE-2026-109244 (2)

Same Patch Batch · FreeRDP · 2026-10-12 · 18 CVEs total

CVE-2026-109242 7.1 HIGH FreeRDP before 3.0.0 and 3.6.0 before 3.32.0 Uninitialized Heap Disclosure via Progressive
CVE-2026-109255 6.8 MEDIUM FreeRDP 3.0.0 before 3.32.0 heap buffer overflow via license_check_stream_length
CVE-2026-109245 6.8 MEDIUM FreeRDP 3.0.0 before 3.32.0 Improper Certificate Validation in freerdp_http_request
CVE-2026-109250 6.6 MEDIUM FreeRDP 3.0.0 before 3.32.0 Heap Buffer Overflow via PKCS#11 collect_keys()
CVE-2026-109246 6.5 MEDIUM FreeRDP before 3.32.0 Shadow Server Divide-by-Zero via Frame Acknowledge PDU
CVE-2026-109248 6.5 MEDIUM FreeRDP 3.0.0 before 3.32.0 Heap Out-of-Bounds Read via WinPR Clipboard cFileName
CVE-2026-109254 5.9 MEDIUM FreeRDP 2.1.0 before 3.32.0 Use-After-Free via rdpsnd Disconnect Path
CVE-2026-109257 5.9 MEDIUM FreeRDP before 3.32.0 Double Free via NSCodec plane growth failure
CVE-2026-109249 5.5 MEDIUM FreeRDP 3.0.0 before 3.32.0 Heap Out-of-Bounds Read via Remote Assistance File Parsing
CVE-2026-109252 5.3 MEDIUM FreeRDP from 3.9.0 before 3.32.0 RDPEAR NULL Pointer Dereference via KERB_RPC_INTERNAL_NAM
CVE-2026-109251 5.3 MEDIUM FreeRDP before 3.32.0 Out-of-Bounds Write via MS-RDPEGT Video Geometry
CVE-2026-109253 5.3 MEDIUM FreeRDP 3.9.0 before 3.32.0 RDPEAR NDR Scalar Out-of-Bounds Read
CVE-2026-109256 5.3 MEDIUM FreeRDP 3.10.0 through 3.32.2 Heap Buffer Overflow in WinPR PNG Conversion
CVE-2026-109243 4.4 MEDIUM FreeRDP 3.0.0 before 3.32.0 Insecure Permissions on Soft-Smartcard Private Key File
CVE-2026-109240 3.1 LOW FreeRDP 3.11.0 before 3.32.1 Reachable Assertion DoS via urb_isoch_transfer
CVE-2026-109241 3.1 LOW FreeRDP before 3.32.0 NULL Dereference in Video Redirection Channel
CVE-2026-109247 3.1 LOW FreeRDP before 3.32.0 Path Traversal via Clipboard cFileName

IV. Related Vulnerabilities

Same product: FreeRDP
Same vendor: FreeRDP
Same weakness: CWE-732

V. Comments for CVE-2026-109244

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