CERT-PL

Unpatched Zimbra servers are falling to CVE-2026-73570 attacks

CERT-PL, CISA, collaboration, Don't miss, email security, exploit, Hot stuff, News, Shadowserver, Synacor, vulnerability /

Unpatched Zimbra servers are falling to CVE-2026-73570 attacks 2026-08-25 at 13:03 By Zeljka Zorz At least 274 internet-facing Zimbra instances have been compromised by unknown attackers via CVE-2026-73570, the Shadowserver Foundation shared on Monday. About CVE-2026-73570 Zimbra Collaboration Suite (ZCS) is a communication and collaboration platform popular with organizations that need to have control over […]

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Previously unseen entry vector used to breach Polish energy plant

CERT-PL, critical infrastructure, cyberattack, energy sector, EU, News, poland /

Previously unseen entry vector used to breach Polish energy plant 2026-08-11 at 08:00 By Sinisa Markovic The December 29 cyberattack on a Polish combined heat and power (CHP) plant was the first observed case of attackers gaining access to an OT network through a private APN, according to CERT Polska. The private APN is a

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Poland’s energy control systems were breached through exposed VPN access

APT, attacks, CERT-PL, disruption, Don't miss, energy sector, EU, Europe, Malware, News, poland, Russian Federation /

Poland’s energy control systems were breached through exposed VPN access 2026-02-06 at 16:27 By Sinisa Markovic On 29 December 2025, coordinated cyberattacks unfolded across Poland’s critical infrastructure, targeting energy and industrial organizations. The attackers struck numerous wind and solar farms, a private manufacturing company, and a heat and power (CHP) plant, but failed to negatively

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Roundcube RCE: Dark web activity signals imminent attacks (CVE-2025-49113)

CERT-PL, Don't miss, exploit, FearsOff, Hot stuff, News, PoC, Roundcube, Shadowserver, vulnerability /

Roundcube RCE: Dark web activity signals imminent attacks (CVE-2025-49113) 2025-06-09 at 15:18 By Zeljka Zorz With an exploit for a critical Roundcube vulnerability (CVE-2025-49113) being offered for sale on underground forums and a PoC exploit having been made public, attacks exploiting the flaw are incoming and possibly already happening. According to the Shadowserver Foundation, there

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