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NVD Vulnerability Details :
CVE-2026-49340
Received
More InfoOfficial Page
Source-security-advisories@github.com
View Known Exploited Vulnerability (KEV) details
Published At-19 Jun, 2026 | 19:16
Updated At-22 Jun, 2026 | 19:17

gonic is a music streaming server / free-software subsonic server API implementation. Prior to version 0.21.0, a logic error in `ServeCreateOrUpdatePlaylist` allows any authenticated Subsonic user (including non-admin) to write playlist M3U content to an attacker-controlled absolute filesystem path on the gonic host, and to create intermediate directories with `0o777` permissions. The bug is independent of CVE-2026-49338 and CVE-2026-49339. It is an unreachable guard clause combined with no path containment in `Store.Write`. Version 0.21.0 patches the issue.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.1HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
N/A
Type: Secondary
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-22Secondarysecurity-advisories@github.com
CWE-697Secondarysecurity-advisories@github.com
CWE-732Secondarysecurity-advisories@github.com
CWE ID: CWE-22
Type: Secondary
Source: security-advisories@github.com
CWE ID: CWE-697
Type: Secondary
Source: security-advisories@github.com
CWE ID: CWE-732
Type: Secondary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/sentriz/gonic/security/advisories/GHSA-4gxv-p5g5-j7w7security-advisories@github.com
N/A
https://github.com/sentriz/gonic/security/advisories/GHSA-4gxv-p5g5-j7w7134c704f-9b21-4f2e-91b3-4a467353bcc0
N/A
Hyperlink: https://github.com/sentriz/gonic/security/advisories/GHSA-4gxv-p5g5-j7w7
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/sentriz/gonic/security/advisories/GHSA-4gxv-p5g5-j7w7
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource: N/A
Change History
0Changes found
Details not found