HOMEVULNERABILITIESCVE-2026-31923
HIGH

CVE-2026-31923

CWE-319Published: April 14, 2026· Updated: Apr 17, 2026

7.5
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:5.7th

Official Description

Cleartext Transmission of Sensitive Information vulnerability in Apache APISIX.

This can occur due to `ssl_verify` in openid-connect plugin configuration being set to false by default.

This issue affects Apache APISIX: from 0.7 through 3.15.0.

Users are recommended to upgrade to version 3.16.0, which fixes the issue.

NVD Source

Technical Analysis

CVE-2026-31923 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

Apache1 product
apisix
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://lists.apache.org/thread/0pjs72l7qj83j3srw1l1toyj24bsgkds
ADVISORYhttp://www.openwall.com/lists/oss-security/2026/04/14/1

All References (2)

→
https://lists.apache.org/thread/0pjs72l7qj83j3srw1l1toyj24bsgkdsMailing List · Vendor Advisory
→
http://www.openwall.com/lists/oss-security/2026/04/14/1Mailing List · Third Party Advisory

Quick Facts

CVE IDCVE-2026-31923
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-319
CISA KEVNo
EPSS (30d)0.02%
Affected1 vendor
PublishedApr 14, 2026

Related CVEs (CWE-319)

CVE-2026-24212
9.8
CVE-2026-24060
9.1
CVE-2026-44726
9.1
CVE-2025-59852
9.1
CVE-2026-42514
8.8
CVE-2026-30796
8.7

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-31923 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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