CVE-2026-48834

7.5 HIGH 0.8% exploit odds Fix listed Denial of service Server

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds: 0.8% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-08-05 16:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-23 21:10 UTC Last updatedMost recent change to the record

Details

Published: 2026-08-05 16:16 UTC
Last modified: 2026-10-23 21:10 UTC
Exploit probability: 0.8% · EPSS, next 30 days
Weakness: CWE-400 · Uncontrolled resource consumption
Record status: Analyzed

Affected

Apache Answer < 2.0.2

Attack profile CVSS 3.1 · 7.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

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

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Fix and advisories

https://lists.apache.org/thread/0yg5smwnbrhqs55m5h61gn42mcs8s95p

References

NVD record · CVE.org record