CVE-2025-8959 | HashiCorp go-getter Vulnerable to Arbitrary Read through Symlink Attack

HashiCorp's go-getter library subdirectory download feature is vulnerable to symlink attacks leading to unauthorized read access beyond the designated directory boundaries. This vulnerability, identified as CVE-2025-8959, is fixed in go-getter 1.7.9.

Published: 2025-08-15 Last update: 2025-12-11 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-8959 is rated Low Risk (35.7/100): CVSS High severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-8959

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-01 0.02% 0.05% +0.03%
2 2025-11-21 0.07% 0.02% -0.04%
3 2025-11-18 0.07%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-8959

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 [email protected]

Weakness enumeration for CVE-2025-8959

GitHub Security Advisory for CVE-2025-8959

GHSA-wjrx-6529-hcj3 · Severity: high · Ecosystem: go — HashiCorp go-getter Vulnerable to Symlink Attacks

OS Trackers for CVE-2025-8959

vendor priority summary link
debian not yet assigned CVE-2025-8959 not yet assigned priority: Debian including 1 source packages (golang-github-hashicorp-go-getter), 2 status rows across 2 suites (bookworm, bullseye): open 2. https://security-tracker.debian.org/tracker/CVE-2025-8959
redhat high https://access.redhat.com/security/cve/CVE-2025-8959
ubuntu medium CVE-2025-8959 medium priority: Ubuntu including 1 source packages (golang-github-hashicorp-go-getter), 7 status rows across 7 suites (bionic, focal, jammy, noble, plucky, questing, upstream): needs-triage 6, ignored 1. https://ubuntu.com/security/CVE-2025-8959

Affected software / configurations for CVE-2025-8959

Vendor Product Version Raw CPE
hashicorp go-getter < 1.7.9 cpe:2.3:a:hashicorp:go-getter:*:*:*:*:*:*:*:*

References for CVE-2025-8959

cvelogic Threat Intelligence