Detections
Analytics
Echo: async-http-client, org.asynchttpclient:async-http-client: security update to 2.16.0
medium Tenable Self-Hosted Container Security Plugin ID 460956
Description
There are packages installed that are affected by a vulnerability referenced in the following CVE:- The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and
asynchronously process HTTP responses. In versions from 2.0.0 prior to 2.16.0 and from 3.0.0.Beta1 prior
to 3.0.11, ThreadSafeCookieStore stored a cookie under the value of its Domain attribute without verifying
that the responding host is allowed to set a cookie for that domain, leading to a cookie tossing / cookie
injection issue. A host the client connects to can therefore plant a cookie scoped to an unrelated domain,
and the client will then send that cookie on later requests to that domain. Applications that use a single
AsyncHttpClient instance - and thus the default, shared CookieStore - to reach both an attacker-influenced
host and a trusted host are impacted. This issue has been fixed in versions 2.16.0 and 3.0.11.
(CVE-2026-55688)
Solution
Update the async-http-client library and its related packages to version 2.16.0 or later.See Also
Plugin Details
Severity: Medium
ID: 460956
Version: Revision 1.1
Type: Local
Family: Echo Local Security Checks
Published: 10/2/2026
Updated: 10/3/2026
Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security
Risk Information
VPR
Risk Factor: Low
Score: 1.2
Percentile: 0.01
CVSS v2
Risk Factor: Low
Base Score: 2.6
Temporal Score: 1.9
Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:P/A:N
CVSS Score Source: CVE-2026-55688
CVSS v3
Risk Factor: Medium
Base Score: 4
Temporal Score: 3.5
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
Exploit Ease: No known exploits are available
Patch Publication Date: 9/28/2026
Vulnerability Publication Date: 7/1/2026
Reference Information
CVE: CVE-2026-55688