CVE-2026-20234
published 2026-09-16CVE-2026-20234: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity…
PriorityP261critical9.9CVSS 3.1
AVNACLPRLUINSCCHIHAH
EPSS
0.37%
30.0th percentile
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) engineering teams have conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-20234 are related to insufficiently protected credentials issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-522.
Affected
94 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | cisco_identity_services_engine_software | — | — |
| cisco | cisco_identity_services_engine_software | — | — |
| cisco | cisco_identity_services_engine_software | — | — |
| cisco | cisco_identity_services_engine_software | — | — |
| cisco | cisco_identity_services_engine_software | — | — |
| cisco | cisco_identity_services_engine_software | — | — |
| cisco | cisco_identity_services_engine_software | — | — |
| cisco | cisco_identity_services_engine_software | — | — |
| cisco | cisco_identity_services_engine_software | — | — |
| cisco | cisco_identity_services_engine_software | — | — |
| cisco | cisco_identity_services_engine_software | — | — |
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Hackernews
Cisco Warns of New Zero-Day ISE Auth Bypass (CVSS 10.0) Exploited in Active Attacks
blogs_hackernews·2026-09-17·CVSS 10.0
CVE-2026-76460 [CRITICAL] Cisco Warns of New Zero-Day ISE Auth Bypass (CVSS 10.0) Exploited in Active Attacks
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## Cisco Warns of New Zero-Day ISE Auth Bypass (CVSS 10.0) Exploited in Active Attacks
Cisco has warned of a fresh maximum-severity security flaw impacting Identity Services Engine (ISE) that has come under active exploitation.
The vulnerability, tracked as CVE-2026-76460 (CVSS score: 10.0), could allow an unauthenticated, remote attacker to bypass authentication.
"This vulnerability is due to insufficient authentication control on an API endpoint," Cisco said. "An attacker could exploit this vulnerability by sending a crafted request to an affected API endpoint. A successful exploit could allow the attacker to gain unauthoriz
Bugzilla
CVE-2025-20234 squidclamav: ClamAV Information Disclosure Vulnerability [fedora-42]
bugzilla·2025-06-18·CVSS 7.5
CVE-2025-20234 [HIGH] CVE-2025-20234 squidclamav: ClamAV Information Disclosure Vulnerability [fedora-42]
CVE-2025-20234 squidclamav: ClamAV Information Disclosure Vulnerability [fedora-42]
More information about this security flaw is available in the following bug:
https://bugzilla.redhat.com/show_bug.cgi?id=2373722
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Discussion:
This message is a reminder that Fedora Linux 42 is nearing its end of life.
Fedora will stop maintaining and issuing updates for Fedora Linux 42 on 2026-05-13.
It is Fedora's policy to close all bug reports from releases that are no longer
maintained. At that time this bug will be closed as EOL if it remains open with a
'version' of '42'.
Pack
Bugzilla
CVE-2025-20234 squidclamav: ClamAV Information Disclosure Vulnerability [epel-9]
bugzilla·2025-06-18·CVSS 7.5
CVE-2025-20234 [HIGH] CVE-2025-20234 squidclamav: ClamAV Information Disclosure Vulnerability [epel-9]
CVE-2025-20234 squidclamav: ClamAV Information Disclosure Vulnerability [epel-9]
More information about this security flaw is available in the following bug:
https://bugzilla.redhat.com/show_bug.cgi?id=2373722
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Discussion:
FEDORA-EPEL-2026-1bc4040b98 (squidclamav-7.5-1.el9) has been submitted as an update to Fedora EPEL 9.
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-1bc4040b98
Bugzilla
CVE-2025-20234 squidclamav: ClamAV Information Disclosure Vulnerability [epel-8]
bugzilla·2025-06-18·CVSS 7.5
CVE-2025-20234 [HIGH] CVE-2025-20234 squidclamav: ClamAV Information Disclosure Vulnerability [epel-8]
CVE-2025-20234 squidclamav: ClamAV Information Disclosure Vulnerability [epel-8]
More information about this security flaw is available in the following bug:
https://bugzilla.redhat.com/show_bug.cgi?id=2373722
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Discussion:
FEDORA-EPEL-2026-31efc13ba7 (squidclamav-7.5-1.el8) has been submitted as an update to Fedora EPEL 8.
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-31efc13ba7
2026-09-16
Published