CVE-2026-49231

LOW EPSS 27.8%
Published Jun 19, 20261w ago · Modified Jun 23, 20261w ago
2.3 CVSS 4.0
Low
Find Similar
Published Jun 19, 2026 1w ago
Last Modified Jun 23, 2026 1w ago

Description

Authentication Bypass by Spoofing vulnerability in opa plugin. An attacker could relay spoofed identity headers to upstream capitalising on non-default configuration in opa plugin. This could allow the attacker to assume higher privileges on the upstream service. This issue affects Apache APISIX: from 3.5.0 through 3.16.0. Users are recommended to upgrade to version 3.17.0, which fixes the issue.

CVSS Details

Base Score
2.3
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
27.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-290

Affected Products 1

VendorProductVersionRange
apacheapisix*≥3.5.0  –  <3.17.0

References 2

  • openwall.com http://www.openwall.com/lists/oss-security/2026/06/19/13
    Third Party Advisory
  • lists.apache.org https://lists.apache.org/thread/s1jd1vxm59p6ghx47xhmpjdk1cobo4hn
    Vendor AdvisoryMailing List

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.