🚨 [CISA-2026:0126] CISA Adds 4 Known Exploited Vulnerabilities to Catalog (https://secdb.nttzen.cloud/security-advisory/detail/CISA-2026:0126)
CISA has added 4 new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risk to the federal enterprise.
⚠️ CVE-2018-14634 (https://secdb.nttzen.cloud/cve/detail/CVE-2018-14634)
- Name: Linux Kernel Integer Overflow Vulnerability
- Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Known To Be Used in Ransomware Campaigns? Unknown
- Vendor: Linux
- Product: Kernal
- Notes: This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/about/ ; https://www.kernel.org/ ; https://www.cve.org/CVERecord?id=CVE-2018-14634; https://access.redhat.com/errata/RHSA-2018:3540 ; https://nvd.nist.gov/vuln/detail/CVE-2018-14634
⚠️ CVE-2025-52691 (https://secdb.nttzen.cloud/cve/detail/CVE-2025-52691)
- Name: SmarterTools SmarterMail Unrestricted Upload of File with Dangerous Type Vulnerability
- Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Known To Be Used in Ransomware Campaigns? Unknown
- Vendor: SmarterTools
- Product: SmarterMail
- Notes: https://www.smartertools.com/smartermail/release-notes/current ; https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2025-124/ ; https://nvd.nist.gov/vuln/detail/CVE-2025-52691
⚠️ CVE-2026-23760 (https://secdb.nttzen.cloud/cve/detail/CVE-2026-23760)
- Name: SmarterTools SmarterMail Authentication Bypass Using an Alternate Path or Channel Vulnerability
- Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Known To Be Used in Ransomware Campaigns? Unknown
- Vendor: SmarterTools
- Product: SmarterMail
- Notes: https://www.smartertools.com/smartermail/release-notes/current ; https://nvd.nist.gov/vuln/detail/CVE-2026-23760
⚠️ CVE-2026-24061 (https://secdb.nttzen.cloud/cve/detail/CVE-2026-24061)
- Name: GNU InetUtils Argument Injection Vulnerability
- Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Known To Be Used in Ransomware Campaigns? Unknown
- Vendor: GNU
- Product: InetUtils
- Notes: This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://cgit.git.savannah.gnu.org/cgit/inetutils.git ; https://codeberg.org/inetutils/inetutils/commit/ccba9f748aa8d50a38d7748e2e60362edd6a32cc; https://codeberg.org/inetutils/inetutils/commit/fd702c02497b2f398e739e3119bed0b23dd7aa7b ; https://nvd.nist.gov/vuln/detail/CVE-2026-24061
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