【Vulnerability Alert】CISA Added 4 Known Exploited Vulnerabilities to the KEV Catalog (2026/06/15–2026/06/21)

publish date : 2026-06-26 update date : 2026-06-26

Source: Ministry of education information & communication security contingency platform

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Publication Number TACERT-ANA-2026062409064848 Publication Time 2026-06-24 09:00:48
Incident Type ANA-Vulnerability Alert Discovery Time 2026-06-24 09:00:48
Impact Level Low  
[Subject]
【Vulnerability Alert】CISA Added 4 Known Exploited Vulnerabilities to the KEV Catalog (2026/06/15–2026/06/21)
[Content]

Forwarded from TWCERTCC Security Advisory TWCERTCC-200-202606-00000017

【CVE-2026-54420】LiteSpeed cPanel Plugin UNIX Symbolic Link (Symlink) Following Vulnerability (CVSS v3.1: 8.5)
【Whether exploited by ransomware: Unknown】 The LiteSpeed cPanel Plugin has a UNIX symbolic link following vulnerability. On shared hosting servers running CloudLinux/CageFS, users with FTP or Web Shell access may exploit this vulnerability to perform unauthorized operations.

【CVE-2026-20262】Cisco Catalyst SD-WAN Manager Directory or Path Traversal Vulnerability (CVSS v3.1: 6.5)
【Whether exploited by ransomware: Unknown】 Cisco Catalyst SD-WAN Manager has a directory or path traversal vulnerability. An authenticated remote attacker may exploit this vulnerability to create files or overwrite arbitrary files in the file system of the affected system.

【CVE-2026-48907】Widget Factory Joomla Content Editor Improper Access Control Vulnerability (CVSS v3.1: 9.8)
【Whether exploited by ransomware: Unknown】 Widget Factory Joomla Content Editor has an improper access control vulnerability, which may allow unauthenticated users to upload and execute PHP code by creating a new editor configuration file.

【CVE-2026-20253】Splunk Enterprise Missing Authentication for Critical Function Vulnerability (CVSS v3.1: 9.8)
【Whether exploited by ransomware: Unknown】 Splunk Enterprise has a Missing Authentication for Critical Function vulnerability. An unauthenticated user may create or truncate arbitrary files through the PostgreSQL Sidecar service endpoint.

Information Sharing Level: WHITE (the intelligence content is information that may be publicly disclosed)

[Affected Platform]

【CVE-2026-54420】Please refer to the affected versions listed by the official source https://blog.litespeedtech.com/2026/06/01/security-update-for-litespeed-cpanel-plugin-2/

【CVE-2026-20262】Please refer to the affected versions listed by the official source https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-arbfw-c2rZvQ

【CVE-2026-48907】Please refer to the affected versions listed by the official source https://www.joomlacontenteditor.net/news/jce-security-update-and-a-free-patch-for-older-sites

【CVE-2026-20253】Please refer to the affected versions listed by the official source https://advisory.splunk.com/advisories/SVD-2026-0603

[Recommended Actions]

【CVE-2026-54420】The official source has released a fix update for the vulnerability. Please update to the relevant version https://blog.litespeedtech.com/2026/06/01/security-update-for-litespeed-cpanel-plugin-2/

【CVE-2026-20262】The official source has released a fix update for the vulnerability. Please update to the relevant version https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-arbfw-c2rZvQ

【CVE-2026-48907】The official source has released a fix update for the vulnerability. Please update to the relevant version https://www.joomlacontenteditor.net/news/jce-security-update-and-a-free-patch-for-older-sites

【CVE-2026-20253】The official source has released a fix update for the vulnerability. Please update to the relevant version https://advisory.splunk.com/advisories/SVD-2026-0603

[Reference]

(This notification is for informational purposes only and does not constitute a cybersecurity incident).
If you have questions or suggestions regarding this notification, please feel free to contact us.
Ministry of education information & communication security contingency platform
Website: https://info.cert.tanet.edu.tw/
Phone: +886-7-5250211
Internet Phone: 98400000
E-Mail: service@cert.tanet.edu.tw
Organizer: Computer Center