All news in category “Security Advisory and Patch Watch”

⚠️ The Cyber Security Agency of Singapore (CSA) has warned of a maximum-severity vulnerability, CVE-2025-52691 (CVSS 10.0), in SmarterTools SmarterMail that permits unauthenticated arbitrary file uploads and could enable remote code execution. The flaw affects builds 9406 and earlier and was fixed in Build 9413 (Oct 9, 2025); CSA recommends updating to Build 9483 (Dec 18, 2025). While no active exploitation has been reported, administrators should apply the vendor update promptly to mitigate the risk of web shells or malicious binaries being deployed and executed with SmarterMail service privileges.

🔒 CISA has ordered federal civilian agencies to secure systems against MongoBleed (CVE-2025-14847), a high-severity MongoDB Server vulnerability patched on December 19, 2025. The flaw, rooted in how the server uses the zlib compression library, can be exploited by unauthenticated actors to leak credentials, API/cloud keys, session tokens, logs, and PII. An Elastic researcher released a PoC and telemetry shows tens of thousands of potentially vulnerable instances; agencies must patch by January 19, 2026, or apply vendor mitigations or temporarily disable zlib until updates can be deployed.

🔒 WHILL Inc. electric wheelchairs (Model C2 and Model F) are affected by a critical Bluetooth authentication vulnerability, CVE-2025-14346, that allows an attacker within wireless range to pair without credentials and issue movement and configuration commands. The flaw is rated CVSS 3.1 9.8 (CRITICAL) and is classified as CWE-306 Missing Authentication for Critical Function. WHILL deployed mitigations on 29 December 2025 that restrict unlock commands during motion, protect speed profiles, and obfuscate application JSON configuration files on Android and iOS.

🔔 CISA published two Industrial Control Systems (ICS) Advisories: ICSA-25-364-01 for WHILL C2 Wheelchairs and ICSA-25-345-03 for AzeoTech DAQFactory (Update A). The advisories describe identified vulnerabilities and recommended mitigations. Administrators and users are encouraged to review the technical details and apply mitigations promptly to reduce exposure.

🛡️Microsoft addressed 1,246 CVEs in 2025, including 158 critical flaws and 41 zero‑days, highlighting an increasingly aggressive threat landscape and the use of AI by attackers to accelerate exploitation. Experts warned that several lower‑scored but actively abused bugs—such as ToolShell (CVE-2025-53770), CVE-2025-24993, and CVE-2025-30377—enabled remote code execution or privilege escalation in practice. Recommended actions include immediate remediation of highest‑risk items, automated triage to free analysts, and contextual prioritization using SSVC rather than relying solely on raw CVSS scores.

⚠️ CISA has added CVE-2025-14847, an MongoDB and MongoDB Server Improper Handling of Length Parameter Inconsistency vulnerability, to the KEV Catalog after evidence of active exploitation. The designation signals a significant risk to the federal enterprise under BOD 22-01, which requires Federal Civilian Executive Branch agencies to remediate listed vulnerabilities by their due dates. Although BOD 22-01 applies to FCEB agencies, CISA strongly urges all organizations to prioritize timely remediation as part of routine vulnerability management and will continue adding qualifying CVEs to the catalog.

🔒 Fortinet warns that attackers continue to exploit a critical FortiOS vulnerability (CVE-2020-12812) that can bypass two-factor authentication on FortiGate SSL VPNs by changing the case of the username. The issue affects configurations where local users requiring FortiToken are linked to LDAP groups and stems from inconsistent case-sensitive matching between local and remote authentication. Fortinet patched the bug in July 2020 and advised disabling username case sensitivity or removing secondary LDAP group fallbacks if patches cannot be deployed; the vendor reports ongoing abuse against appliances with LDAP configured.

⚠️ React 19 was hit by React2Shell, a critical unauthenticated RCE in React Server Components. The flaw allows arbitrary code execution on servers via crafted requests and affects default React and Next.js deployments. Multiple vendors, including Google and AWS, reported active exploitation within hours; patches are available. Defenders should validate exposure beyond version checks and hunt for backdoors, tunneling, and unexpected child processes.

⚠ A newly disclosed vulnerability, CVE-2025-14847 (dubbed MongoBleed), is being actively exploited to leak sensitive data from MongoDB server memory. The flaw in zlib-based network message decompression lets unauthenticated attackers send malformed compressed packets to read uninitialized heap memory before authentication. Researchers report over 87,000 potentially vulnerable instances worldwide and widespread exposure in cloud environments. Administrators should apply published patches, disable zlib compression as a temporary mitigation, restrict network exposure, and monitor for anomalous pre-auth connections.

🔓 A critical MongoDB vulnerability, tracked as CVE-2025-14847 and dubbed MongoBleed, is being actively exploited to leak in-memory secrets from exposed servers. A public PoC demonstrates how malformed zlib-compressed network messages cause the server to return allocated memory rather than decompressed lengths, exposing credentials, API keys, session tokens, and other sensitive data. Over 87,000 instances were identified as potentially vulnerable on the public internet, and vendors released patches on December 19; administrators should prioritize upgrades or disable zlib compression if immediate upgrades are not possible.

🔒 A high-severity vulnerability in MongoDB can allow unauthenticated clients to read uninitialized heap memory by exploiting mismatched length fields in zlib-compressed protocol headers. Tracked as CVE-2025-14847 with a CVSS score of 8.7, the flaw stems from improper handling of inconsistent length parameters. It affects a broad set of releases from 3.6 through 8.2, and MongoDB has published fixes (including 8.2.3, 8.0.17, 7.0.28, 6.0.27, 5.0.32 and 4.4.30); administrators unable to upgrade immediately are advised to disable zlib compression or restrict compressors to snappy or zstd.

⚠ MongoDB has issued an urgent advisory for CVE-2025-14847 after researchers identified a high-severity bug in zlib-compressed protocol headers that can cause mismatched length fields. The flaw allows unauthenticated attackers to read uninitialized heap memory and could be chained to execute arbitrary code and gain control of a server. MongoDB recommends immediate upgrades to patched releases and, if unable to update, disabling zlib compression as a temporary mitigation.

⚠️ A critical serialization injection flaw in LangChain Core (CVE-2025-68664, CVSS 9.3) can let attackers inject object structures via unescaped 'lc' keys and steal secrets or influence LLM outputs through prompt injection. Reported by Yarden Porat on December 4, 2025 and dubbed LangGrinch, the bug affects dumps()/dumpd() and improper deserialization paths. LangChain released patches that add an allowed_objects allowlist, disable Jinja2 templates by default, and set secrets_from_env to false; users should upgrade immediately.

⚠️ Fortinet warned on December 24, 2025 that attackers are actively abusing a five‑year‑old FortiOS SSL VPN flaw, CVE-2020-12812 (CVSS 5.2), to bypass two‑factor authentication under specific configurations. The issue stems from inconsistent case sensitivity between FortiGate local users and LDAP directories: if a username's case does not exactly match the local entry, FortiGate may fall back to LDAP and accept credentials without 2FA. Fortinet reiterated prior patches and published configuration mitigations and commands to disable username case sensitivity, and advised customers to contact support and reset credentials if unauthorized 2FA bypass is detected.

⚠️ CISA has added a vulnerability affecting Digiever DS-2105 Pro network video recorders to its Known Exploited Vulnerabilities catalog after evidence of active exploitation. Tracked as CVE-2023-52163 (CVSS 8.8), the issue is a post-authentication command injection via time_tzsetup.cgi that can enable remote code execution. The device is end-of-life and unpatched; vendors and researchers note attacks delivering botnets like Mirai and ShadowV2. Users are advised to avoid exposing affected NVRs to the internet, change default credentials, apply compensating controls, and follow agency guidance ahead of the January 12, 2025 FCEB mitigation deadline.

🛡️ Researchers have uncovered a new macOS information stealer, MacSync, delivered as a code-signed and notarized Swift installer masquerading as a messaging app. The signed DMG bypasses Gatekeeper and XProtect, and the installer prompts users to right-click to run — a common social-engineering tactic. Apple has revoked the signing certificate. The dropper enforces rate limits, removes quarantine attributes, and downloads a Base64-encoded payload that resolves to the rebranded Mac.c/MacSync strain.

🔔 MongoDB warned IT administrators to immediately apply fixes for a high-severity remote code execution vulnerability tracked as CVE-2025-14847. The flaw is caused by improper handling of a zlib compressed protocol header length, enabling unauthenticated attackers to execute arbitrary code in low-complexity attacks. MongoDB lists numerous affected releases and recommends upgrading to fixed versions such as 8.2.3, 8.0.17, 7.0.28, 6.0.27, 5.0.32, and 4.4.30. If an immediate upgrade is not possible, administrators should disable zlib compression by starting mongod or mongos with networkMessageCompressors or net.compression.compressors options that omit zlib.

⚠️ MongoDB warns administrators to immediately patch a high-severity memory-read vulnerability (CVE-2025-14847) in the Server's zlib implementation that may return uninitialized heap memory to unauthenticated remote actors. The issue can be exploited in low-complexity, no-interaction attacks. MongoDB strongly recommends upgrading to a fixed release right away; if you cannot, disable zlib compression by omitting it from networkMessageCompressors or net.compression.compressors when starting mongod or mongos.

🔐 Fortinet has observed active abuse of FG-IR-19-283 (CVE-2020-12812) in environments where FortiGate and LDAP username case handling differ. In these configurations, a username entered with any case variation that does not exactly match the local FortiGate entry can bypass local 2FA and instead authenticate via an LDAP group fallback. Administrators should enable the appropriate username sensitivity setting or remove unnecessary secondary LDAP groups to block this bypass.

⚠️ CISA has published an updated Industrial Control Systems advisory, ICSA-25-177-01 (Update B), addressing multiple vulnerabilities affecting Mitsubishi Electric air conditioning systems and associated operational components. The advisory outlines technical findings, potential impacts to building automation and HVAC control networks, and prioritized mitigation steps. Administrators and operators should review the guidance promptly, apply vendor updates where available, and implement network segmentation and enhanced monitoring to reduce risk.