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CVE-2022-23853

HIGH
7.8
CVSS Score
Published: February 11, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 04:30 AM UTC
2 products affected across 1 vendorKtexteditorKate

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Severity
HIGH7.8
Exploit prediction
EPSS 0.9%

Description

The LSP (Language Server Protocol) plugin in KDE Kate before 21.12.2 and KTextEditor before 5.91.0 tries to execute the associated LSP server binary when opening a file of a given type. If this binary is absent from the PATH, it will try running the LSP server binary in the directory of the file that was just opened (due to a misunderstanding of the QProcess API, that was never intended). This can be an untrusted directory.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Kate· Kde
95%
v < 21.12.2
Affected range stops below 21.12.2, so it looks safe — our inference, not a vendor statement
Ktexteditor· Kde
95%
v < 5.91.0
Affected range stops below 5.91.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

ProductVendor Advisory
Source: [email protected]
https://apps.kde.org/kate/
Vendor Advisory
Source: [email protected]
https://kde.org/info/security/advisory-20220131-1.txt
Vendor Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202401-21

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-427

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