---
title: "CVE-2026-64943: Apache Answer - Authentication Bypass"
description: "Apache Answer <= 2.0.2 contains an insertion of sensitive information into log files caused by logging full API keys on authenticated requests, letting attackers with log-read access recover and replay bearer credentials, exploit requires log-read access."
url: https://panop.io/threat-heartbeat/CVE-2026-64943/
---

# CVE-2026-64943 Apache Answer - Authentication Bypass

Apache Answer <= 2.0.2 contains an insertion of sensitive information into log files caused by logging full API keys on authenticated requests, letting attackers with log-read access recover and replay bearer credentials, exploit requires log-read access.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.20% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-64943)

## Details

Type

Authentication Bypass

Impact

Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Published

19 October 2026

Updated

21 October 2026

Weakness

[CWE-532](https://cwe.mitre.org/data/definitions/532.html)

## Vendor fix

Upgrade to version 2.0.3.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-64943](https://nvd.nist.gov/vuln/detail/CVE-2026-64943)
- [https://lists.apache.org/thread/gczojx5ypncn1x1pg9z1cphb54t23zzg](https://lists.apache.org/thread/gczojx5ypncn1x1pg9z1cphb54t23zzg)
- [http://www.openwall.com/lists/oss-security/2026/10/16/22](http://www.openwall.com/lists/oss-security/2026/10/16/22)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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