allinurl goaccess up to 1.10 parse_browser heap-based overflow

Summaryinfo

A vulnerability has been found in allinurl goaccess up to 1.10 and classified as critical. This affects the function parse_browser. The manipulation leads to heap-based overflow. This vulnerability is uniquely identified as CVE-2026-54715. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in allinurl goaccess up to 1.10. It has been rated as critical. This issue affects the function parse_browser. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through the browser. In version 1.10.2, parse_browser assumes the matched browser token begins with Opera and moves a trailing version substring to match plus five, allowing a crafted User-Agent in a processed access log to write one to four attacker-influenced bytes beyond the heap allocation and corrupt or crash GoAccess. This issue is fixed in version 1.11.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-54715 since 06/16/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 1.11 eliminates this vulnerability.

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Productinfo

Vendor

• allinurl

Name

• goaccess

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10

Website

• Product: https://github.com/allinurl/goaccess/

CPE 2.3info

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CPE 2.2info

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