SB2026072620 - Multiple vulnerabilities in Jira Service Management Data Center
Published: July 26, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Improper Certificate Validation (CVE-ID: CVE-2026-29145)
CWE-ID: CWE-295 - Improper Certificate Validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote user to bypass certificate revocation checks during authentication.
The vulnerability exists due to improper certificate validation in CLIENT_CERT authentication when processing OCSP checks in some scenarios with soft fail disabled. A remote user can present a certificate in affected scenarios to bypass certificate revocation checks during authentication.
Only some scenarios are affected when soft fail is disabled.
2) Use of a broken or risky cryptographic algorithm (CVE-ID: CVE-2026-29146)
CWE-ID: CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to decrypt protected communications.
The vulnerability exists due to the use of a padding-oracle-prone cryptographic mode in EncryptInterceptor when processing encrypted traffic with the default CBC configuration. A remote attacker can perform a padding oracle attack to decrypt protected communications.
Remediation
Install update from vendor's website.