SB20260819141 - Multiple vulnerabilities in Cisco Secure Workload
Published: August 19, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 vulnerabilities.
CWE-ID: CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to inject commands.
The vulnerability exists due to improper neutralization of special elements in Cisco Secure Workload when processing input. A remote attacker can send crafted input to inject commands.
2) Improper access control (CVE-ID: CVE-2026-20315)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to bypass access controls.
The vulnerability exists due to improper access control in Cisco Secure Workload when handling requests. A remote attacker can send crafted requests to bypass access controls.
3) Improper Authentication (CVE-ID: CVE-2026-20317)
CWE-ID: CWE-287 - Improper Authentication
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to bypass authentication.
The vulnerability exists due to improper authentication in Cisco Secure Workload when handling authentication requests. A remote attacker can send crafted requests to bypass authentication.
4) Input validation error (CVE-ID: CVE-2026-20318)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to access unintended resources.
The vulnerability exists due to improper input validation in Cisco Secure Workload when parsing input. A remote attacker can send crafted input to access unintended resources.
5) Buffer overflow (CVE-ID: CVE-2026-20319)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to corrupt memory.
The vulnerability exists due to improper restriction of operations within the bounds of a memory buffer in Cisco Secure Workload when processing input. A remote attacker can send crafted input to corrupt memory.
Remediation
Install update from vendor's website.