All news with #remote code execution tag

🛡️ Gogs has released version 0.14.3 to patch a critical argument-injection zero-day that allows authenticated non-admin users to execute remote code and access any repository, including private ones. The flaw affects all releases up to 0.14.2 and 0.15.0+dev and was reported by Rapid7 researcher Jonah Burgess. Rapid7 urges immediate upgrades and provided mitigations such as disabling open registration and restricting repo creation for instances that cannot be patched immediately.

🔒 Researchers found that three fixed flaws in UniFi OS Server (CVE-2026-34908, CVE-2026-34909, CVE-2026-34910) can be chained to achieve remote code execution with root privileges on versions 5.0.6 and earlier. Bishop Fox validated the full attack path on a live instance, showing an authentication bypass via URI normalization differences and a subsequent command injection that escalates to root due to passwordless sudo. A detection script and guidance are available; upgrade to 5.0.8 or later.

🛡️ Researchers at Cyera disclosed six vulnerabilities in protobuf.js, a JavaScript implementation of Google’s Protocol Buffers, that allow untrusted schema data to influence application behavior. The most severe issues enable code generation and injection via manipulated schema metadata, potentially leading to remote code execution when crafted inputs are accepted. The flaws affect protobuf.js versions up to 7.5.5 and 8.0.1 and also impact protobuf.js-cli; patches are available in updated releases.

⚠️ A critical vulnerability (CVE-2026-3300) in Everest Forms Pro versions 1.9.12 and earlier allows unauthenticated attackers to execute arbitrary PHP on affected WordPress sites via the plugin's Complex Calculation feature. The issue stems from user-supplied values being inserted into an eval() string without properly escaping single quotes, enabling code injection. Wordfence telemetry shows active exploitation creating rogue administrator accounts, and a patch was issued by the developer on March 18.

🛡️ A critical remote code execution flaw in Everest Forms Pro for WordPress has been actively exploited to hijack sites. Wordfence analysis shows the vulnerability (CVE-2026-3300, CVSS 9.8) allows unauthenticated attackers to run PHP via the plugin's Calculation add-on when "Complex Calculation" is enabled. The bug affects all versions through 1.9.12 and was patched in 1.9.13; administrators are urged to update immediately. Wordfence telemetry recorded tens of thousands of blocked exploit attempts and identified indicators such as a rogue admin named "diksimarina" and a recurring source IP.

🛡️ A high-severity RCE vulnerability in Hugging Face Transformers lets attackers leverage a hidden config field to execute remote code when loading models. The flaw abuses an underscore-prefixed parameter, _attn_implementation_internal, bypassing trust_remote_code=false and triggering unsandboxed kernel downloads. A silent patch was released in Transformers 5.3.0; users should upgrade and scan cached configs.

🔒 Hitachi Energy reported a heap-based buffer overflow in MACH HiDraw XML parser where an authenticated local user can trigger memory corruption using a crafted XML file. Successful exploitation may cause application crashes (DoS) or enable arbitrary code execution. A vendor fix is available in version 9.23; contact your local account team for upgrade assistance. CISA recommends network segmentation, firewall controls, and minimizing exposure of control systems to the internet.

🔒 A two-year use-after-free vulnerability (CVE-2026-23479) in Redis 7.2.0 through older stable branches enabled authenticated remote code execution and was disclosed after Team Xint Code and Wiz published a full technical write-up. The flaw arises in unblockClientOnKey() where a freed client structure is reused, and the exploit chain leaks a heap pointer via Lua, forges a client, and corrupts memory accounting to overwrite a GOT entry. Default deployments and many cloud instances lacking passwords increase exposure; Redis released fixes on May 5 and recommends minor upgrades per series and tightened ACLs if immediate patching is not possible.

🛡️ Acer confirmed it's addressing two maximum-severity zero-day vulnerabilities in Wave 7 mesh routers. Reported by researcher Gergo Pap, both affect firmware T7c_GBL_1.01.000055 or earlier and permit remote, unauthenticated access to sensitive data and persistent backdoors. Acer plans firmware fixes by the end of June 2026 and urges users to update once patches are released and to disable or restrict remote management as a temporary mitigation.

🔒 HP has released patches for a critical buffer overflow in multiple IP conference phones in its Poly Voice line that can allow unauthenticated attackers to gain root on affected devices. The issue, tracked as CVE-2026-0826 and rated 9.2 CVSS, stems from SDP parsing when the ICE feature is enabled; administrators are advised to disable ICE if not needed. Rapid7 researchers released a Metasploit exploit demonstrating the vulnerability, and HP has issued UCS updates to remediate the affected VVX and Trio models.

🛡️ The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has mandated federal agencies to patch an actively exploited Oracle WebLogic vulnerability, CVE-2024-21182, by June 4 under BOD 22-01. The flaw affects Oracle WebLogic Server versions 12.2.1.4.0 and 14.1.1.0.0 and enables unauthenticated remote compromise via T3/IIOP. Shodan reports over 1,592 exposed and vulnerable WebLogic instances, and CISA urges all organizations to apply vendor mitigations or discontinue use if fixes are unavailable.

🛡️ Obsidian Security disclosed a critical RCE in the open-source AI workflow platform Flowise (CVE-2026-40933), enabling server takeover when a logged-in user imports a malicious chatflow. Self-hosted deployments are vulnerable by default; Flowise Cloud is not affected. The flaw stems from the Custom MCP tool launching user-supplied commands via stdio without sandboxing, and Flowise's input-validation patch can be bypassed.

🔔 This week's briefing highlights active exploitation of a PAN-OS GlobalProtect authentication bypass (CVE-2026-0257), a critical unauthenticated RCE in Gogs, and the coordinated takedown of GlassWorm C2 infrastructure. Other notable items include a long-standing Linux LPE (CIFSwitch) patched upstream, CERT-In urging rapid patching timelines, and several AI-enabled and supply-chain aided campaigns increasing attacker speed and reach.

🔒 The Centre for Cybersecurity Belgium (CCB) warned that threat actors are exploiting a recently patched critical Windows Netlogon vulnerability (CVE-2026-41089). Microsoft patched the stack-based buffer overflow during May 2026 Patch Tuesday, which can allow unauthenticated remote code execution on domain controllers. The CCB urged administrators to apply updates immediately, noting a CVSS score of 9.8, while Microsoft has not yet confirmed active exploitation.

🔒 Researchers at Obsidian Security disclosed a near-max severity remote code execution flaw in self-hosted Flowise deployments tied to its Model Context Protocol (MCP) stdio server implementation. The issue stems from Flowise allowing attacker-controlled MCP stdio configurations that execute arbitrary OS commands, enabling one-click post-auth RCE via malicious chatflow imports. Flowise Cloud is unaffected, but self-hosted instances should review and potentially disable stdio MCP or apply strict mitigations.

🔒 Two High-severity vulnerabilities in Notepad++ (CVE-2026-48778 and CVE-2026-48800, CVSS 7.8) let local attackers run arbitrary commands by tampering with the editor’s XML configuration files. Both issues affected versions up to 8.9.6 and were patched in 8.9.6.1 along with a lower-severity crash bug (CVE-2026-48770). The flaws stem from unvalidated values in shortcuts.xml and config.xml, enabling persistence and stealthy execution if an attacker can write to a user’s AppData or supply a poisoned settings folder.

🔒 A critical Remote Code Execution (RCE) flaw in Gogs, a self-hosted Git service, enables any authenticated user to execute arbitrary commands by creating a pull request with a malicious branch name that injects the --exec flag into git rebase. Rated 9.4 by Rapid7, the bug requires only a registered account on default instances and can be abused without admin privileges or other user interaction. Rapid7 published an exploit module and advises restricting registration and repository creation and auditing rebase merge settings.

🛡️ An unpatched zero-day in the Gogs self-hosted Git service allows authenticated non-admin users to gain remote code execution on Internet-facing instances. The flaw, an argument injection in the Merge() code path affecting Gogs 0.14.2 and 0.15.0+dev, can be exploited via malicious branch names during a rebase-merge operation. Researcher Jonah Burges reported the issue in March; maintainers have acknowledged but not yet patched it. Shadowserver and Shodan count thousands of exposed Gogs servers, many with default open registration enabled.

🛡️ Mandiant found attackers exploited a critical unauthenticated deserialization flaw (CVE-2026-5426) in KnowledgeDeliver LMS to deliver the Godzilla web shell. The issue stemmed from a shared hardcoded ASP.NET machineKey across customer deployments, allowing signed malicious ViewState payloads and remote code execution. Compromised installations were used to push fake installers, deploy Cobalt Strike beacons, and modify site scripts to load attacker-controlled payloads.

🔒 ABB reported a heap-based buffer overflow in select Terra AC EV chargers that can be triggered via crafted OCPP messages. Exploitation may allow heap pollution, denial-of-service, altered firmware behavior, or possible remote code execution; the vendor has released patched firmware versions. ABB strongly recommends avoiding unencrypted HTTP for OCPP connections and applying updates promptly to mitigate remote exploitation risks.