CVE-2026-20353Vulnerability
Reported by 4 independent sources · first reported by Cisco PSIRT · last reported
Last reported 9 days ago
What the reports say
4 reports, newest first · the exact sentence from each-
Múltiples vulnerabilidades en productos de Cisco“CVE-2026-20353: agrupa vulnerabilidades relacionadas con el control incorrecto de los recursos durante su ciclo de vida, como el consumo no controlado de recursos, la deserialización insegura, la complejidad algorítmica y la inicialización inadecuada de recursos.”
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Cisco Warns of Active Attacks Exploiting New Critical Secure Email Gateway Vulnerability“… Email and Web Manager that grouped internally found bugs into five umbrella CVEs by weakness class: CVE-2026-76440, CVE-2026-76441, CVE-2026-20353, and CVE-2026-76443, each scored 9.8, and CVE-2026-76442 at 7.5.”
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Bulletin d'actualité CERTFR-2026-ACT-040 (21 septembre 2026)“CVE-2026-20353”
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Cisco Secure Email Gateway and Secure Email and Web Manager Security Hardening Release: September 2026“CVE-2026-20353”
Indicators reported together
named in the same reports- hxxps://www.ibm[.]com/support/pages/node/7287209in 1 report
- hxxps://www.ibm[.]com/support/pages/node/7287497in 1 report
- hxxps://www.ibm[.]com/support/pages/node/7287516in 1 report
- hxxps://support.apple[.]com/en-us/149035in 1 report
- hxxps://support.apple[.]com/en-us/149042in 1 report
Copy these 5 indicators · defanged
Also named with it: CVE-2026-76443, CVE-2026-76440, CVE-2026-76441, CVE-2026-76461, CVE-2026-76442, CVE-2026-76519, CVE-2026-65400, CVE-2026-87491, CVE-2025-14923, CVE-2026-11541, CVE-2026-75878, CVE-2026-8646, CVE-2025-39964, CVE-2026-53266, CVE-2026-76460
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