External risk intelligence

Apache Answer Session Expiration Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.1)

CVE-2026-60053

Apache Answer is a Q&A platform typically deployed as a public-facing web application. Since it serves as an internet-accessible forum or knowledge base, its administrative interfaces and API endpoints are commonly exposed to the public internet by design.

Apache Answer

before 2.0.2

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

This vulnerability in Apache Answer involves API keys remaining active after an administrator's access is revoked. If unaddressed, these persistent keys could allow unauthorized continued access to administrative functions, potentially leading to data exposure or system manipulation. The main concern is confirming relevance and exposure.

  • Inactive admin keys could still grant access.
  • Key persistence risks unauthorized administrative access.
  • Confirm if your Apache Answer is exposed.

Attack Path

How an attacker could exploit the issue

An attacker could exploit this by leveraging an administrative API key that should have been revoked after an administrator's account was deactivated or deleted. This allows continued access to the system's administrative functions through the API until the key is manually removed.

  • Entry condition: API key for demoted/deleted admin.
  • Trigger point: Use of expired administrative API key.
  • Resulting risk: Unauthorized administrative access.

Live Threat

Current exploitation, exposure, and threat context

Administrative API keys could remain active even after an administrator's account is deactivated or deleted, potentially allowing unauthorized continued access to administrative functions if the keys are not explicitly revoked. This scenario is possible when the system's session management does not properly invalidate existing API keys upon administrative account changes.

  • Administrative API keys.
  • Keys not explicitly revoked.
  • Unauthorized administrative access.

Operational Fix

Recommended remediation, mitigation, and detection steps

The Apache Answer application's administrative API keys can remain usable even after the owning administrator's account is altered or deleted, posing a significant risk. This necessitates prompt action from teams responsible for application security and management. The first practical step involves identifying all instances of Apache Answer, assessing their exposure and criticality, and confirming the accountable owner for remediation.

  • Application owners and security teams.
  • Verify API key access and account status.
  • Plan secure key revocation and upgrade.

Supplementary metadata

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

Frequently asked questions

What is Apache Answer?

Apache Answer is an open-source Q&A platform designed to build communities through knowledge sharing. It functions as a web-based forum or internal knowledge base where users post questions and answers. Because it is built for collaboration, it is frequently hosted as a public-facing web application.

How does CVE-2026-60053 work?

This vulnerability is classified as Insufficient Session Expiration (CWE-613). It occurs when the software fails to properly invalidate administrative API keys after an account is deactivated, deleted, or demoted. Because the system does not automatically terminate these keys, they remain functional, allowing continued access to administrative features as if the account were still active.

What triggers this session issue?

The vulnerability is triggered when a previously valid administrative API key is used after the associated user account has been removed or restricted. It is important to note that this does not involve a standard user password bypass; it specifically relies on the persistence of legacy API credentials that should have been revoked by the system automatically.

Do I need to worry about my Apache Answer deployment?

If you run Apache Answer, you should prioritize this issue. According to Halo Surface Signal, this software is typically deployed as an internet-facing web application. Since administrative interfaces and API endpoints are often accessible online by design, a lingering key could potentially be leveraged by an unauthorized party from anywhere on the network.

Is there a way to secure my installation?

Yes. The primary step is to upgrade your Apache Answer instance to version 2.0.2, which addresses the flaw in how the system handles API key expiration. Additionally, you should audit your current administrative API keys to identify and manually revoke any keys linked to accounts that have been deactivated or demoted.

References