C2S: Apache APISIX Cleartext HTTP Data Transfer (Logs) < 3.16.0
CVE-2026-31924 Published on April 14, 2026
Apache APISIX: Plugin tencent-cloud-cls log export uses plaintext HTTP
Cleartext Transmission of Sensitive Information vulnerability in Apache APISIX.
tencent-cloud-cls log export uses plaintext HTTP
This issue affects Apache APISIX: from 2.99.0 through 3.15.0.
Users are recommended to upgrade to version 3.16.0, which fixes the issue.
Vulnerability Analysis
CVE-2026-31924 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
Cleartext Transmission of Sensitive Information
The software transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. Many communication channels can be "sniffed" by attackers during data transmission. For example, network traffic can often be sniffed by any attacker who has access to a network interface. This significantly lowers the difficulty of exploitation by attackers.
Products Associated with CVE-2026-31924
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Affected Versions
Apache Software Foundation Apache APISIX:- Version 2.99.0, <= 3.15.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.