All news with #remote code execution tag

🔒 ABB has identified a vulnerability in affected versions of the ABB Ability™ zenon Remote Transport Service that permits unauthorized use of the Reboot OS function, allowing an attacker to trigger a system reboot without required authentication. Remote exploitation requires prior access to the target network. Vendors report no evidence of active exploitation at this time. Workarounds include restricting network access and disabling the zensyssrv.exe service when Remote Transport is not needed.

🛡️ Microsoft released updates to address a SharePoint remote code execution vulnerability, CVE-2026-45659, rated CVSS 8.8 and classified as Important. The flaw involves deserialization of untrusted data, allowing an authenticated attacker with minimal Site Member permissions to execute code over a network without elevated privileges. Microsoft credited researcher MEOW for the discovery and urged administrators to apply the updates for affected SharePoint versions. The advisory follows recent fixes for other SharePoint issues that have been exploited in the wild.

🛡️ A high-severity ASP.NET ViewState deserialization flaw (CVE-2026-5426) in Digital Knowledge KnowledgeDeliver was exploited as a zero-day to deploy the Godzilla web shell and later Cobalt Strike Beacon. Google Mandiant and GTIG found attackers abused hard-coded machineKey values in vendor-supplied web.config files to craft malicious __VIEWSTATE payloads, gaining unauthenticated RCE on affected instances prior to February 24, 2026. The intrusion included file system escalation, tampering with site JavaScript to deliver a fake security plugin, and a targeted encrypted payload named for the victim organization.

🛡️ The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a critical SQL injection flaw in Drupal Core (CVE-2026-9082, CVSS 6.5) to its Known Exploited Vulnerabilities list after evidence of active exploitation. The vulnerability affects all supported Drupal Core versions and could enable privilege escalation and remote code execution via crafted requests using the database abstraction API. Patches were released across multiple 8.x–11.x branches, with manual patches required for Drupal 9.5 and 8.9.

🔒 Drupal has warned administrators that a "highly critical" SQL injection vulnerability, tracked as CVE-2026-9082, is being actively targeted in the wild. Discovered by Google/Mandiant researcher Michael Maturi, the flaw affects Drupal's database abstraction API and allows specially crafted requests to trigger arbitrary SQL injection on sites using PostgreSQL. Exploitation requires no authentication and can lead to remote code execution, privilege escalation, and data disclosure; Drupal has released updates and urges immediate patching.

🛡️ Ubiquiti issued updates addressing three maximum-severity vulnerabilities in UniFi OS that allow remote, unauthenticated attackers to modify systems, read files via path traversal, and perform command injection after gaining network access. Additional fixes include another critical command injection and a high-severity information disclosure issue. The flaws were reported via HackerOne and can be exploited with low complexity; Ubiquiti has not confirmed any in-the-wild exploitation. Censys reports nearly 100,000 Internet-exposed UniFi OS endpoints, with about 50,000 in the United States, though it is unclear how many have been remediated.

🔒 Researchers disclosed a critical vulnerability in ChromaDB (CVE-2026-45829) that allows unauthenticated attackers to execute arbitrary code and access sensitive data on affected servers. The flaw is a race condition in the FastAPI-based API server that fetches and executes remote embedding model code before performing authentication checks. HiddenLayer says versions 1.0.0 through 1.5.8 are affected and many public instances remain vulnerable; they recommend using the Rust implementation and restricting network access until a patch is available.

🛡️ Google inadvertently published details of an unfixed Chromium vulnerability that allows JavaScript to continue running after the browser is closed, enabling remote code execution via persistent Service Workers. Reported by researcher Lyra Rebane in December 2022, the issue affects all Chromium-based browsers and was marked fixed in February 2024 but a patch was not shipped. The bug tracker entry was briefly made public on May 20, revealing the exploit still works in Chrome Dev 150 and Edge 148, making attacks stealthier and increasing risk until an emergency fix is released.

🔒 ABB disclosed multiple vulnerabilities in affected versions of B&R Automation Studio stemming from an outdated third-party SQLite component. An update to Automation Studio 6.5 corrects these issues and the vendor urges customers to apply the update promptly. The advisory lists numerous memory safety and logic issues (heap overflows, integer overflows, use-after-free, NULL dereferences, improper input validation, and more) that could enable unauthorized access, data exposure, or remote code execution. Customers should follow the product manual to identify versions and install updates, and apply general security recommendations as mitigation.

🔒 ABB B&R reported multiple vulnerabilities in the UEFI PXE implementation of affected B&R PCs and controllers. EDK2 Network Package issues include out-of-bounds reads, buffer overflows, infinite loops, and weak PRNG usage that can lead to remote code execution, DoS, DNS poisoning, or data exposure. Vendor updates are available for many product versions and users are advised to apply patches or follow mitigations.

🛡️ Drupal issued emergency updates addressing a "highly critical" SQL injection flaw tracked as CVE-2026-9082 in its database abstraction API that can be exploited against sites using PostgreSQL, allowing information disclosure and in some cases privilege escalation or remote code execution. The vendor released patched builds for supported 11.x and 10.x branches and published manual patches for EOL versions. Upstream Symfony and Twig fixes are also included in recent releases.

🚨Drupal administrators must apply an emergency core update to address a “highly critical” SQL injection defect (CVE-2026-9082) that affects sites using PostgreSQL. The release also bundles upstream fixes for Symfony and Twig, so Drupal urges updates even for non-Postgres deployments. Supported branches 11.3, 11.2, 10.6 and 10.5 are patched, while end-of-life versions may receive unsupported best-effort patches. The flaw permits anonymous attackers to send crafted requests resulting in arbitrary SQL injection, information disclosure, and potential privilege escalation or remote code execution.

⚠️ A max-severity flaw (CVE-2026-45829) in the Python FastAPI server of ChromaDB allows unauthenticated attackers to load and execute remote models before authentication is enforced, enabling arbitrary code execution on exposed servers. The issue impacts PyPI-distributed releases used widely in AI retrieval stacks; a 1.5.9 release exists but it is unclear if the fix addresses this vulnerability. Mitigations include using the Rust frontend, avoiding public exposure of the Python API, and restricting network access to the ChromaDB API port.

⚠ CISA reports multiple critical vulnerabilities in ScadaBR version 1.2.0, including missing authentication, OS command injection, CSRF, and hard-coded credentials. Successful exploitation could enable unauthenticated remote code execution, root command execution, arbitrary sensor injection, or full administrative access. The vendor did not respond to CISA requests; users should contact ScadaBR support and implement network-level mitigations immediately.

⚠️A buffer overflow in the User-ID™ Authentication Portal (Captive Portal) of Palo Alto Networks PAN-OS permits an unauthenticated attacker to execute arbitrary code with root privileges on PA-Series and VM-Series firewalls by sending specially crafted packets. Siemens has identified affected Siemens RUGGEDCOM APE1808 devices and is preparing fixes while recommending immediate mitigations. Recommended actions include disabling Response Pages on exposed interfaces, disabling the User-ID Authentication Portal if not required, and restricting portal access to trusted internal IP addresses; contact vendor support for patch information.

🔒 InfoGuard Labs disclosed multiple critical vulnerabilities in SEPPMail Secure E-Mail Gateway that allow unauthenticated remote code execution, path traversal, deserialization flaws, and exposure of sensitive server data. Researchers demonstrated an exploit chain leveraging the LFT path traversal (CVE-2026-2743) to overwrite syslog configuration and obtain a Perl reverse shell, enabling full appliance takeover and mail interception. SEPPmail has released fixes across versions 15.0.2.1, 15.0.3 and 15.0.4 and urges administrators to apply updates immediately.

⚠️ A high-severity heap buffer overflow (CVE-2026-42945, CVSS 9.2) in the ngx_http_rewrite_module of NGINX Plus and NGINX Open (versions 0.6.27–1.30.0) is being exploited in the wild shortly after disclosure. The flaw, reportedly introduced in 2008, can allow unauthenticated attackers to crash worker processes or, when Address Space Layout Randomization (ASLR) is disabled and certain configurations are present, achieve remote code execution. Users are advised to apply F5's fixes and review server configurations urgently.

🔍 Researchers using an LLM-powered platform discovered a critical 18-year-old heap buffer overflow in Nginx that can enable remote code execution under certain conditions. Tracked as CVE-2026-42945, it resides in ngx_http_rewrite_module and affects versions 0.6.27 through 1.30.0. Patches were released in 1.31.0 and 1.30.1 and in Nginx Plus releases; several F5 products remain pending updates. Exploitation can cause server crashes and, without ASLR, may allow arbitrary code execution.

🔒 Researchers at DepthFirst AI found an 18-year-old heap buffer overflow in NGINX’s ngx_http_rewrite_module (CVE-2026-42945) that can cause denial of service and, under specific conditions, remote code execution. The flaw affects NGINX Open Source 0.6.27 through 1.30.0 and several F5-managed builds. Exploitation hinges on configurations using both rewrite and set directives and problems in the internal script engine’s two-pass handling of rewrites. Patches and mitigations are available, and F5 recommends replacing unnamed PCRE capture groups with named captures if immediate upgrades are not possible.

⚠️ A critical OS command injection in the Dashboard Server of Universal Robots Polyscope 5 (CVSS 9.8) allows unauthenticated attackers to execute commands on the robot's operating system. Affected releases are versions prior to 5.25.1; the vendor has issued Polyscope 5 v5.25.1 as a corrective update. CISA advises immediate patching and network defenses including segmentation, firewalling, and limiting internet exposure.