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Vulnerability record · CVE-2026-48834 · published 5 August 2026

CVE-2026-48834: Apache answer uncontrolled resource consumption vulnerability

Apache · Answer

Improper Handling of Length Parameter Inconsistency vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. Unauthenticated attackers can cause a denial of service via a specially crafted Accept-Language header that triggers excessive CPU consumption during parsing. Users are recommended to upgrade to version 2.0.2, which fixes the issue.

7.5 CVSS 3.1 High EPSS 0.76% · top 46.4% CWE-400 · Uncontrolled resource consumption
7.5CVSS 3.1 base score
0.76%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
6 Aug 2026Last modified by NVD

Description

Improper Handling of Length Parameter Inconsistency vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. Unauthenticated attackers can cause a denial of service via a specially crafted Accept-Language header that triggers excessive CPU consumption during parsing. Users are recommended to upgrade to version 2.0.2, which fixes the issue.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.apache.org/thread/0yg5smwnbrhqs55m5h61gn42mcs8s95p Mailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2026/08/05/9 Mailing ListThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-48834), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.