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CVE-2026-115376— Incus 7.0.1 before 7.0.2 and 7.2.0 before 7.5.0 Project Restriction Bypass via Custom Volume Copy

Quick assessment

Affected
lxc incus
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Incus 7.0.1（早于 7.0.2 版本）和 7.2.0（早于 7.5.0 版本）存在一个授权绕过漏洞。该漏洞允许受项目限制的客户通过省略 字段来复制卷。攻击者可向自定义卷端点发送精心构造的 POST 请求，并指定任意的 ，从而复制并读取其他项目的卷、快照及配置文件。

CVSS 7.7 · High

Affected Version Matrix 4

VendorProduct Version RangeStatus
lxc incus 7.0.1< 7.0.2 affected
7.0.2 unaffected
7.2.0< 7.5.0 affected
7.5.0 unaffected
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I. Basic Information for CVE-2026-115376

Vulnerability Information
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Vulnerability Title
Incus 7.0.1 before 7.0.2 and 7.2.0 before 7.5.0 Project Restriction Bypass via Custom Volume Copy
Source: CVE Program / CVE List V5
Vulnerability Description
Incus 7.0.1 before 7.0.2 and 7.2.0 before 7.5.0 contains an authorization bypass vulnerability that allows project-restricted clients to copy volumes by omitting source.type. Attackers can send crafted POST requests to the custom volumes endpoint with a chosen source.project to copy and read other projects' volumes, snapshots, and configuration.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
lxc incus 7.0.1 ~ 7.0.2 -

II. Public POCs for CVE-2026-115376

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III. Intelligence Information for CVE-2026-115376

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Vendor Advisories for CVE-2026-115376 (2)

Same Patch Batch · lxc · 2026-10-22 · 9 CVEs total

CVE-2026-115377 9.9 CRITICAL Incus before 6.0.7, 6.1.0 before 7.0.2, and 7.1.0 before 7.5.0 Arbitrary File Write via Sy
CVE-2026-115375 9.9 CRITICAL Incus 7.0.0 before 7.0.2 and 7.1.0 before 7.5.0 Path Traversal via Instance Backup Depende
CVE-2026-115372 8.5 HIGH Incus 7.3.0 before 7.5.0 Project Restriction Bypass via block.create_options
CVE-2026-115374 7.1 HIGH Incus 7.0.0 before 7.0.2 and 7.1.0 before 7.5.0 Unsigned Header Bypass in Presigned S3 Upl
CVE-2026-115371 7.1 HIGH LXC Incus 6.0.3 before 6.0.7, 6.6.0 before 7.0.2, and 7.1.0 before 7.5.0 Bucket Credential
CVE-2026-115373 6.3 MEDIUM Incus before 6.0.7, 6.1.0 before 7.0.2, and 7.1.0 before 7.5.0 Authorization Bypass via GE
CVE-2026-115378 5.8 MEDIUM Incus before 6.0.7, 6.1.0 before 7.0.2, and 7.1.0 before 7.5.0 Arbitrary File Write via Re
CVE-2026-115370 4.3 MEDIUM Incus 6.0.5 before 6.0.7, 6.12.0 before 7.0.2, and 7.1.0 before 7.5.0 Restricted Project B

IV. Related Vulnerabilities

Same product: incus
Same vendor: lxc
Same weakness: CWE-284

V. Comments for CVE-2026-115376

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