CVE-2021-44139: Hashicorp sentinel server-side request forgery (ssrf) vulnerability

Hashicorp · Sentinel

Sentinel 1.8.2 is vulnerable to Server-side request forgery (SSRF).

7.5 CVSS 3.1 High EPSS 5.6% · top 7.3% CWE-918 · Server-side request forgery (SSRF)

7.5CVSS 3.1 base score, v2 5.0

5.6%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

2References, 2 tagged exploit

17 Jun 2026Last modified by NVD

Description

Sentinel 1.8.2 is vulnerable to Server-side request forgery (SSRF).

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Sentinel Hashicorp

References

Link	Tags
https://github.com/alibaba/Sentinel/issues/2451	ExploitIssue TrackingThird Party Advisory
https://github.com/alibaba/Sentinel/issues/2451	ExploitIssue TrackingThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-44139), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.