Cyber Brief

Cyber Brief · Jun 28 · 12 stories

Sunday, June 28, 2026 · sent to 1 subscribers

News · BleepingComputer · Jun 28

Data breach exposes up to 14.2 million email logins at six ISPs

Japanese telecommunications operator KDDI Corporation disclosed a data breach where threat actors gained access to one of its email systems used by five other internet service providers (ISPs) in the country. [...]

News · The Hacker News · Jun 26

CISA Adds Exploited PTC Windchill RCE Flaw to KEV as Web Shell Attacks Continue

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a critical remote code execution vulnerability impacting PTC Windchill PDMlink and PTC FlexPLM enterprise Product Data Management (PDM) and Product Lifecycle Management (PLM) software to its Known Exploited Vulnerabi…

News · The Hacker News · Jun 26

New DirtyClone Linux Kernel Flaw Lets Local Users Gain Root via Cloned Packets

DirtyClone is a new Linux kernel privilege escalation in the DirtyFrag family. JFrog Security Research published a working exploit walkthrough for the flaw on June 25, the first public demonstration for this variant. Tracked as CVE-2026-43503 (CVSS 8.8), it lets a local user co…

News · BleepingComputer · Jun 26

CISA sets urgent deadline to fix Cisco flaw exploited in attacks

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is giving federal agencies until Sunday to patch a vulnerability in Cisco Unified Communications Manager Server that is being actively exploited. [...]

News · CSO Online · Jun 26

Hackers exploit critical PTC Windchill PLM software flaw

Hackers are exploiting a critical vulnerability recently patched in PTC Windchill and FlexPLM, two product lifecycle management solutions used by organizations across a range of industries, including defense, aerospace, automotive, medical, electronics, industrial machinery, and consumer goods. …

News · Help Net Security · Jun 28

Week in review: Fortibleed campaign’s impact on orgs, Cisco Unified CM flaw exploited

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Encrypted DNS still tells an eavesdropper where to look Encrypted DNS runs across much of the Internet. DNS over TLS, HTTPS, and QUIC keep the contents of a query away from anyone watching a network li…

Advisories · CISA · Jun 25

Delta Electronics DTM Soft

View CSAF Summary Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code. The following versions of Delta Electronics DTM Soft are affected: DTMSoft vers:all/*  CVSS Vendor Equipment Vulnerabilities v3 7.8 Delta Electronics Delta Electronics D…

Advisories · CISA · Jun 25

Horner Automation Cscape

View CSAF Summary Successful exploitation of this vulnerability could allow a local attacker to disclose information and execute arbitrary code. The following versions of Horner Automation Cscape are affected: Cscape <10.2_SP3  CVSS Vendor Equipment Vulnerabilities v3 7.8 Horner A…

Research · SANS ISC · Jun 29

ISC Stormcast For Monday, June 29th, 2026 https://isc.sans.edu/podcastdetail/9986, (Mon, Jun 29th)

(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.

Research · SANS ISC · Jun 28

YARA-X 1.18.0 and 1.19.0 Release, (Sun, Jun 28th)

YARA-X&&#x23&#x3b;x26&#x3b;&#x23&#x3b;39&#x3b;s 1.18.0 release brings 3 improvements and 2 bugfixes.

Video · IppSec · Jun 27

HackTheBox - WingData

00:00 - Introduction 01:00 - Start of nmap 03:20 - Searching for vulnerabilities in Wing FTP Server 06:20 - Testing the RCE and running a command 09:30 - Weaponizing the POC to get a reverse shell 12:10 - Shell returned, grabbing the password hashes, discovering it uses a hard-coded salt and then c…

News · SecurityWeek · Jun 26

First-Ever Exploitation of PTC Windchill Vulnerability Discovered in the Wild

CISA has added the remote code execution flaw CVE-2026-12569 to its Known Exploited Vulnerabilities catalog. The post First-Ever Exploitation of PTC Windchill Vulnerability Discovered in the Wild appeared first on SecurityWeek.