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Briefing · Wednesday 4 November 2026 · 07:00 UTC

CISA adds exploited WordPress flaw to vulnerability catalogue

By CyberSIXT Briefing · from 86 reports by 18 outlets · Editorial policy

Since this morning1

    • BitMart breach tied to Mercado Bitcoin attackers

      BitMart's founder says the exchange suffered a minor breach on 2 November, possibly by the group that drained Mercado Bitcoin.CyberSIXT The attacker's address received funds on Optimism from a wallet linked to BitMart about 50 minutes before the larger theft.CyberSIXT

CISA added CVE-2026-119977, an exploited WordPress Core race condition, to its Known Exploited Vulnerabilities catalogue on 3 November and set a 6 November remediation deadline for federal agencies.CISACyberSIXT CISA confirms exploitation in the wild, while use in ransomware campaigns remains unknown; Binarly separately says attackers exploited a Zyxel switch flaw that a June firmware update did not fix.CISACyberSIXT

CISA lists an exploited WordPress Core race condition#

CISA added CVE-2026-119977 to the KEV catalogue on 3 November, listing it as a WordPress Core time-of-check to time-of-use race condition that could let an unauthenticated attacker execute code during a core upgrade.CISA The flaw involves predictable, web-accessible staging paths used in full-package upgrades, and CISA confirms it has been exploited in the wild.CISA CISA lists a CVSS score of 8.1, rated HIGH, and says a patch is available.CISA It set 6 November 2026 as the remediation deadline for federal agencies; whether the flaw has been used in ransomware campaigns is unknown.CISA

Binarly finds Zyxel's June patch left a switch flaw open#

Binarly said attackers exploited CVE-2026-107441 in Zyxel GS1900 switches, including devices running firmware released in June to address a related flaw.CyberSIXT The researchers said the exploit worked against that firmware without modification; Zyxel released a second fix on 22 October and published an advisory on 3 November.CyberSIXT Zyxel's advisory lists ten GS1900 models and says an unauthenticated attacker on the local network could run operating system commands.CyberSIXT Binarly described the issue as a web-request parameter buffer overflow in dispatcher.cgi; Zyxel's advisory does not say whether this flaw has been exploited.CyberSIXT

Nikke's team investigates tampering with its PC launcher#

The team behind Goddess of Victory: Nikke said on 4 November that launcher script files may have been tampered with by a third party, and that it had pushed client fixes and an update at about 02:30 Korean time.CyberSIXT An analysis by players and independent researchers said four JavaScript files on publisher Level Infinite's content delivery network were modified on 27 September.CyberSIXT The analysis said some launcher sessions fetched a remote-access agent from 23 October at the latest, enabling an operator to run commands and collect files and data while the launcher was open.CyberSIXT On Windows, it said, a registered DLL allowed the agent to persist after the launcher closed.CyberSIXT The route used to gain access to the content delivery network and the incident's scope remain unknown; claims that other Level Infinite launchers were affected have not been demonstrated.CyberSIXT

Hunt.io confirms theft of Philippine agency data#

Hunt.io told Dark Reading that an unknown attacker copied nearly 69GB of data from the Philippine Overseas Employment Administration in a transfer lasting 24 minutes.Dark Reading The files included 27 SQL Server backups covering overseas-employment case management, accreditation, contracts, cashier records and LandBank records.Dark Reading Hunt.io said logs showed the transfer completed, but it had not examined the backups and could not establish where the data went or how the attacker entered the network.Dark Reading The company found privilege-escalation tools and the Impacket Python network library on a staging server in Singapore, but did not attribute the attack to a group or country.Dark Reading

Also

  • Puppet. SecurityOnline reported that a proof-of-concept exploit for CVE-2026-115731, a Puppet Server flaw rated CVSS 9.4, was publicly available, while exploitation in the wild had not been confirmed.SecurityOnline
  • HPE Fabric Composer. HPE disclosed 46 vulnerabilities affecting Fabric Composer versions 7.4.0 and earlier and 7.3.4 and earlier, and listed upgrades to 7.4.1 or 7.3.5 or newer as fixes.SecurityOnline
  • macOS. SecurityOnline reported that a researcher published proof-of-concept code for CVE-2026-112445, while the disclosure said there had been no observed active exploitation and that Apple mitigated the flaw in macOS 27.2.SecurityOnline
  • Xsolis. DataBreaches reported that a phishing incident at Xsolis affected 1.4 million people across nine health systems, with unauthorised access reported on 20 January.wordpress-1685287-6764806.cloudwaysapps.com
  • Synology. Synology warned that ransomware operators were targeting NAS devices running outdated DSM software, but did not identify which of three vulnerabilities in its 2024 advisory was being used.Security Affairs

Watching

Nikke's team said on 4 November that it was investigating the scope of the launcher tampering; the account does not establish how the attacker gained write access to Level Infinite's content delivery network.CyberSIXT

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