CVE-2026-73581 Vulnerability Analysis & Exploit Details

CVE-2026-73581
Vulnerability Scoring

Analysis In Progress
Analysis In Progress

Attack Complexity Details

  • Attack Complexity:
    Attack Complexity Analysis In Progress
  • Attack Vector:
    Attack Vector Under Analysis
  • Privileges Required: None
    No authentication is required for exploitation.
  • Scope:
    Impact is confined to the initially vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-73581 Details

Status: Received on 23 Sep 2026, 12:17 UTC

Published on: 23 Sep 2026, 12:17 UTC

CVSS Release:

CVE-2026-73581 Vulnerability Summary

CVE-2026-73581: Improper Check for Certificate Revocation vulnerability in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.58, from 9.0.0-M1 through 9.0.121. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.26, 10.1.59, 9.0.122, which fixes the issue.

Assessing the Risk of CVE-2026-73581

Access Complexity Graph

The exploitability of CVE-2026-73581 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-73581

No exploitability data is available for CVE-2026-73581.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-73581, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-73581, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2026-73581 does not compromise confidentiality.
  • Integrity: None
    CVE-2026-73581 does not impact data integrity.
  • Availability: None
    CVE-2026-73581 does not affect system availability.

CVE-2026-73581 References

External References

CWE Common Weakness Enumeration

CWE-299

Protect Your Infrastructure against CVE-2026-73581: Combat Critical CVE Threats

Stay updated with real-time CVE vulnerabilities and take action to secure your systems. Enhance your cybersecurity posture with the latest threat intelligence and mitigation techniques. Develop the skills necessary to defend against CVEs and secure critical infrastructures. Join the top cybersecurity professionals safeguarding today's infrastructures.

Other 5 Recently Published CVEs Vulnerabilities

  • CVE-2026-96560 – LightLLM through 1.2.0 contains a remote code execution vulnerability in the KV-transfer worker when started with --pd_trans_mode nccl, which expos...
  • CVE-2026-96512 – A flaw was found in sudo. When sudoers rules use NOTBEFORE or NOTAFTER time-based access restrictions with timestamps that omit the trailing 'Z' ti...
  • CVE-2026-86708 – ZohoCorp ManageEngine Applications Manager versions 182200 and below were vulnerable to exposure of a Google Cloud service-account private key in t...
  • CVE-2026-86683 – ZohoCorp ManageEngine Applications Manager versions 182000 and below allowed a low-privileged user to change the proxy settings.
  • CVE-2026-86681 – ZohoCorp ManageEngine Applications Manager versions 182200 and below were vulnerable to a permissions validation issue that allowed low-privileged ...