Alerts

Security advisories, patches, and warnings

OpenSSL Patches High-Severity Stack Buffer Overflow and Eleven Additional Vulnerabilities

Alerts

OpenSSL Patches High-Severity Stack Buffer Overflow and Eleven Additional Vulnerabilities

The OpenSSL project has released a sweeping security update addressing twelve vulnerabilities across the widely-used cryptographic library, including a high-severity stack buffer overflow that could potentially enable remote code execution on vulnerable systems. The headline flaw, tracked as CVE-2025-15467, affects CMS AuthEnvelopedData parsing and carries high severity. Organizations running OpenSSL

By Zero Day Wire
Critical Fortinet Authentication Bypass Allows Access to Other Customers' Devices (CVE-2026-24858)

Alerts

Critical Fortinet Authentication Bypass Allows Access to Other Customers' Devices (CVE-2026-24858)

Fortinet has disclosed a critical authentication bypass vulnerability affecting FortiOS, FortiManager, and FortiAnalyzer that allows attackers with a FortiCloud account to access devices registered to other customers' accounts. The vulnerability has been added to CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild. The flaw,

By Zero Day Wire
Critical Appsmith Vulnerability Enables Account Takeover Through Origin Header Manipulation (CVE-2026-22794)

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Critical Appsmith Vulnerability Enables Account Takeover Through Origin Header Manipulation (CVE-2026-22794)

A critical authentication vulnerability in Appsmith allows attackers to take over user accounts by manipulating the HTTP Origin header during the password reset process, with over 1,600 vulnerable instances currently exposed on the internet, according to research published by Resecurity. The vulnerability, tracked as CVE-2026-22794, carries a CVSS score

By Zero Day Wire
CISA Adds Four Vulnerabilities to KEV Catalog Including Critical SmarterMail Authentication Bypass

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CISA Adds Four Vulnerabilities to KEV Catalog Including Critical SmarterMail Authentication Bypass

CISA has added four vulnerabilities to its Known Exploited Vulnerabilities catalog, including two critical flaws in SmarterTools SmarterMail that could allow unauthenticated attackers to achieve full administrative compromise of mail servers. Federal agencies must apply mitigations by February 16, 2026. Critical SmarterMail Authentication Bypass The most severe addition is CVE-2026-23760,

By Zero Day Wire
CISA Adds Four Actively Exploited Vulnerabilities to KEV Catalog Including Vite and Zimbra Flaws

Alerts

CISA Adds Four Actively Exploited Vulnerabilities to KEV Catalog Including Vite and Zimbra Flaws

CISA has added four vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog after confirming active exploitation in the wild, affecting widely deployed development tools, email infrastructure, and enterprise networking products. The newly catalogued vulnerabilities impact Vite, Versa Concerto, eslint-config-prettier, and Synacor Zimbra Collaboration Suite. Under Binding Operational Directive 22-01, Federal

By Zero Day Wire