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CVE-2026-5656

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Wireshark

HIGH
7.8
CVSS Score
Published: April 30, 2026 at 11:03 PM UTC
Updated: July 15, 2026 at 01:16 AM UTC
1 product affected across 1 vendorWireshark

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Profile import path traversal in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution

Affected

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

Wireshark· Wireshark
95%
4.4.0 ≤ v < 4.4.154.6.0 ≤ v < 4.6.54.4.04.6.0
Affected range stops below 4.4.15, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.6.5, 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 (7)

Vendor Advisory
Source: cverecord
https://www.wireshark.org/security/wnpa-sec-2026-21.html
Issue TrackingPermissions RequiredExploitThird Party Advisory
Source: cverecord
https://gitlab.com/wireshark/wireshark/-/issues/21115
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2026:20600
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2026:26182
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/security/cve/CVE-2026-5656
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://bugzilla.redhat.com/show_bug.cgi?id=2464276
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5656.json

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHredhat-SADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-22

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