CVE-2026-49871
published 2026-06-19CVE-2026-49871: Cross-Site Request Forgery (CSRF) vulnerability in the cas-auth plugin under default configurations. This defect allows a remote attacker that manages to send…
PriorityP348critical9.3CVSS 3.1
AVNACLPRNUIRSCCHIHAN
EPSS
0.26%
17.6th percentile
Cross-Site Request Forgery (CSRF) vulnerability in the cas-auth plugin under default configurations.
This defect allows a remote attacker that manages to send a victim to a webpage controlled by them can cause the victim's browser to become authenticated as a different identity.
Actions the victim takes upstream are then attributed to attackers identity.
This issue affects Apache APISIX: from 3.0.0 through 3.16.0.
Users are recommended to upgrade to version 3.17.0, which fixes the issue.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache | apisix | >= 3.0.0 < 3.17.0 | 3.17.0 |
| apache_software_foundation | apache_apisix | 3.0.0 – 3.16.0 | — |
CVSS provenance
nvdv3.19.3CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
nvdv4.02.1LOWCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/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
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VulDB
Apache APISIX up to 3.16.0 Configuration cross-site request forgery (EUVD-2026-38025)
vuldb·2026-06-19
CVE-2026-49871 [LOW] Apache APISIX up to 3.16.0 Configuration cross-site request forgery (EUVD-2026-38025)
A vulnerability classified as problematic was found in Apache APISIX up to 3.16.0. The affected element is an unknown function of the component Configuration Handler. Executing a manipulation can lead to cross-site request forgery.
This vulnerability is registered as CVE-2026-49871. It is possible to launch the attack remotely. No exploit is available.
Upgrading the affected component is advised.
GHSA
Cross-Site Request Forgery (CSRF) vulnerability in the cas-auth plugin under default configurations.
ghsa_unreviewed·2026-06-19
CVE-2026-49871 [LOW] CWE-352 Cross-Site Request Forgery (CSRF) vulnerability in the cas-auth plugin under default configurations.
Cross-Site Request Forgery (CSRF) vulnerability in the cas-auth plugin under default configurations.
This defect allows a remote attacker that manages to send a victim to a webpage controlled by them can cause the victim's browser to become authenticated as a different identity.
Actions the victim takes upstream are then attributed to attackers identity.
This issue affects Apache APISIX: from 3.0.0 through 3.16.0.
Users are recommended to upgrade to version 3.17.0, which fixes the issue.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-06-19
Published