CVE-2026-21052
SemClipboardService Path Traversal Vulnerability
Description
Path traversal in SemClipboardService prior to SMR Jul-2026 Release 1 allows local privileged attackers to access files with system privilege.
INFO
Published Date :
July 10, 2026, 5:16 a.m.
Last Modified :
Oct. 25, 2026, 3:10 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 4.0 | MEDIUM | 3af57064-a867-422c-b2ad-40307b65c458 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update SemClipboardService to the July 2026 Release 1.
- Ensure file access controls are properly configured.
- Review system logs for unauthorized file access.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-21052.
| URL | Resource |
|---|---|
| https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=07 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-21052 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-21052
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-21052 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-21052 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Oct. 25, 2026
Action Type Old Value New Value Added Translation Title: Samsung Mobile Devices de Samsung Mobile, Description: Salto de ruta en SemClipboardService antes de SMR Jul-2026 Release 1 permite a atacantes locales privilegiados acceder a archivos con privilegio de sistema. -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 14, 2026
Action Type Old Value New Value Changed SSVC {'id': 'CVE-2026-21052', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-10T00:00:00+00:00'} {'id': 'CVE-2026-21052', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-11T03:55:18.461394Z'} -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 11, 2026
Action Type Old Value New Value Changed SSVC {'id': 'CVE-2026-21052', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-10T11:41:40.180868Z'} {'id': 'CVE-2026-21052', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-10T00:00:00+00:00'} -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 10, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-21052', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-10T11:41:40.180868Z'} -
New CVE Received by [email protected]
Jul. 10, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Samsung Mobile', 'product': 'Samsung Mobile Devices', 'versions': [{'status': 'unaffected', 'version': 'SMR Jul-2026 Release in Android 14, 15, 16', 'lessThan': '*', 'versionType': 'semver'}], 'defaultStatus': 'affected'}] Added Description Path traversal in SemClipboardService prior to SMR Jul-2026 Release 1 allows local privileged attackers to access files with system privilege. Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added Reference https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=07