CVE-2026-82477 | BDVDB-2026-366292 Detail

MITREHeimdall

Description#

In MITRE SAF Heimdall 2.11.6 through 2.13.x before 2.14.0, an SSRF issue allows remote attackers to access internal network resources via the Tenable proxy endpoint. This occurs in apps/backend/src/tenable/tenable.controller.ts.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact low, availability impact none. Attack vector: network.

Weaknesses#

CWE-918 Server-Side Request Forgery (SSRF)

References#

Exploit#

No public exploit known

History#

Version 12026-08-29Record published in the CVE List.
Version 22026-09-01Most recent update recorded in the CVE List.

Published

Published: 2026-08-29
Last modified: 2026-09-01

Vendor information

Vendor: MITRE
Product: Heimdall

All MITRE vulnerabilities

Score

5.8 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 41.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Server-Side Request Forgery

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 2.11.6 and < 2.14.0
Fixed
2.14.0

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.8 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	None
Integrity	Low
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).