JFrog disclosed a critical flaw in Bifrost, an open-source AI gateway routing to over twenty LLM providers, that lets an unauthenticated attacker run arbitrary commands on the gateway with a single HTTP request. Tracked as CVE-2026-90898 and rated 9.8, it affects all Bifrost HTTP transport versions before 2.1.0 when management authentication is disabled, which is the default. An attacker registers a stdio-type MCP client through an unauthenticated POST to /api/mcp/client, and Bifrost runs the command immediately, before any handshake, as the gateway user. Because the gateway stores API keys for every connected provider, command execution also exposes those credentials, and the official Docker image binds its management API to all interfaces.
SolarWinds patched a high-severity flaw in Access Rights Manager, tracked as CVE-2026-28326 and rated 8.8, that stems from a hard-coded static key and can lead to unauthenticated remote code execution. The issue affects all Access Rights Manager 2026.2 and prior releases and is fixed in 2026.2.1. SolarWinds credited Armadin researcher Kai Huang and reported no evidence of exploitation in the wild. The advisory arrives alongside separate fixes: a Web Help Desk SAML authentication bypass, a Web Help Desk denial-of-service issue, and sixteen Serv-U flaws that could allow privilege escalation, code execution, and creation of administrator accounts.
Attackers are exploiting a critical flaw in Issabel Framework, the web interface for the open-source Asterisk-based phone system. Tracked as CVE-2026-89026 and scored 9.8, the flaw stems from a hardcoded token-signing key that is identical across every installation, so an unauthenticated attacker can forge a valid access token, call the system's call-origination endpoint, and make Asterisk run arbitrary operating-system commands. Researchers at VulnCheck flagged it, and the Shadowserver Foundation first saw exploitation on September 9. A patch released on August 1 replaces the shared key with a unique per-installation key. Exposed, unpatched phone systems should be treated as urgent given the low barrier to attack.
Cisco warned that attackers are exploiting a critical zero-day in its Secure Email Gateway appliances that lets them run commands as root just by sending a crafted email. Tracked as CVE-2026-76461 and scored 9.8, the flaw is a SQL injection in the appliance's email-parsing logic, so an unauthenticated attacker needs no access to the management interface at all. It affects physical and virtual gateways in any configuration, and Cisco confirmed it was exploited as a zero-day before disclosure. CISA added it to its exploited-vulnerabilities catalog with a three-day federal deadline. Because successful attacks grant root, intruders can erase their own tracks, so Cisco urges inspecting mail logs for suspicious activity.
Check Point patched two critical flaws in how its firewall and management products handle VPN certificates, each scored 9.8, that could let an unauthenticated remote attacker run code. CVE-2026-85102 is improper certificate-trust validation during VPN negotiation that can lead to code execution on the Security Gateway. CVE-2026-85103 is a heap overflow while decoding a certificate's structure, affecting both the gateway and the management server. Notably, because the second flaw is about certificate processing, Check Point says it could be triggered even where VPN is not running, so management servers need the fix regardless. Check Point found the issues internally and reports no exploitation yet, though its products were attacked twice this year.
SAP patched a critical flaw in its kernel, tracked as CVE-2026-44756 and dubbed OVERPASS with a top score of 10.0, that lets an unauthenticated, remote attacker run commands with administrative privileges and fully compromise a system. The memory-corruption bug is in the Extended Passport processing library and is reachable over several SAP communication protocols, including through the internet-facing Internet Communication Manager, which researchers say exposes more than 10,000 SAP systems online. In the same update SAP fixed a second 10.0 flaw, a missing-authentication issue in the NetWeaver Message Server that lets attackers run code across an entire SAP cluster without credentials. Both need prompt patching.
Tanto Security released a working exploit for flaws in Telerik UI for ASP.NET AJAX, a widely used web component set, that chains into unauthenticated remote code execution. The core issue is an AES-CBC padding oracle in the file-upload component: because the encryption does not authenticate the ciphertext, an attacker can tweak encrypted input and read the server's error responses to decrypt protected configuration one byte at a time without the key. That unlocks a .NET deserialization flaw that loads an attacker-supplied assembly and drops a web shell. Progress patched the flaws in July, but the published tool now puts a full attack path in public hands, though only non-default configurations are affected.
Attackers are actively exploiting an unpatched zero-day in Magento Open Source and Adobe Commerce to run code on stores' servers without logging in, according to e-commerce security firm Sansec, which named it StyleSmuggler. Exploitation began September 4, and every current version is affected, including the latest 2.4.9; Sansec even found a fully patched store already compromised. The attack manipulates a styles field in a GraphQL request to inject PHP into a file the platform generates normally, then installs a persistent backdoor. As of disclosure, Adobe had not issued an advisory, a CVE, or a fix, so exposed stores should be treated as at risk and watched for compromise.
Cisco patched a critical flaw in its Nexus 9000 data-center switches that lets an unauthenticated, remote attacker execute code as root. Tracked as CVE-2026-20212 and scored 9.8, the bug affects Nexus 9000 models built on Cisco's Silicon One chips and stems from a service that binds to an unrestricted address, leaving TCP ports 43210 and 43211 reachable in the default routing configuration. An attacker who can reach either port sends crafted input that runs with root privileges, and can also crash and reload the device. Cisco reported no known exploitation at disclosure and shipped fixed software, with an access-list workaround for those who cannot patch immediately.
SonicWall warned that attackers are actively exploiting two zero-day flaws in its SMA 1000 series remote-access VPN appliances, which can be chained for unauthenticated remote code execution. The first, CVE-2026-83548, scored 10.0, is a pre-authentication server-side request forgery flaw in the user-facing portal that lets an unauthenticated attacker abuse the appliance as a proxy and reach sensitive functions. The second, CVE-2026-83549, is a command-injection flaw in the admin console. SonicWall confirmed active exploitation and shipped hotfixes with no workarounds. Because these gateways aggregate remote users' credentials and tie into directory services, compromising one means compromising the authentication system itself. It is the third SMA 1000 zero-day campaign in under a year.