CISA Adds Cisco Secure Firewall and GitLab Flaws to Known Exploited Vulnerabilities Catalog

The U.S. Cybersecurity and Infrastructure Security Agency has added two actively exploited vulnerabilities to its Known Exploited Vulnerabilities catalog. CVE-2026-76418 affects Cisco Secure Firewall ASA and FTD software, allowing unauthenticated attackers to trigger device reboots and denial-of-service conditions. CVE-2026-97229 impacts GitLab through an integer overflow tied to insufficient regex validation in CI/CD configurations, enabling remote code execution without authentication. CISA notes that the GitLab issue stems from an underlying flaw in the Ruby/Onigmo dependency and may affect additional products. Organizations are urged to apply patches immediately to prevent further exploitation in the wild.

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The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, warning that both flaws are already being exploited in attacks.

CVE-2026-76418 affects Cisco Secure Firewall ASA Software and Cisco Secure FTD Software. The vulnerability allows an unauthenticated attacker to restart affected devices, resulting in a denial-of-service condition that disrupts network security controls.

The second flaw, CVE-2026-97229, resides in GitLab. It is an integer overflow vulnerability caused by insufficient validation of regular expressions within CI/CD pipeline configurations. Successful exploitation permits remote attackers to execute arbitrary code on the GitLab server without requiring authentication.

CISA emphasized that the GitLab vulnerability originates from an integer overflow issue in the Ruby/Onigmo dependency. Because of this shared component, the agency warned that other products relying on the same library could also be affected and require investigation.

Security teams are advised to review the official CISA KEV catalog and apply available patches or mitigations without delay to reduce exposure to ongoing exploitation attempts.

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