CVE-2026-55476: Snipe/snipe it Snipe-IT Vulnerable To Unauthorized Asset Vulnerability

MODERATE
Advisory Identifier: GHSA-53jc-27pc-x8r8
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CWE-862
Published
Advisory Summary

CVE-2026-55476 is a MODERATE snipe-it vulnerable to unauthorized asset vulnerability (CWE-862: Missing Authorization) affecting Snipe/snipe it libraries in the Packagist ecosystem. The issue involves snipe-it vulnerable to unauthorized asset request cancellation via unguarded cancel_by_admin parameter. Remediation is available by upgrading affected packages to version 8.6.0.

CVE-2026-55476 at a Glance

CVE Identifier CVE-2026-55476
GHSA Identifier GHSA-53jc-27pc-x8r8
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-862: Missing Authorization
Affected Product Snipe/snipe it
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix CVE-2026-55476

To remediate this vulnerability, upgrade all affected Snipe/snipe it dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

snipe/snipe-it fixed: 8.6.0 
Upgrade snipe/snipe-it to 8.6.0
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for snipe/snipe-it

How to Check if You Are Affected

To determine whether your application is affected by CVE-2026-55476, inspect your project dependencies for Snipe/snipe it:

inspect dependencies for snipe/snipe-it

Analyze the terminal output to locate any version of Snipe/snipe it in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 8.6.0), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-862: Missing Authorization, where the product does not perform an authorization check when an actor attempts to access a resource or perform an action. In Snipe/snipe it, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Impact The route POST `/account/request/{itemType}/{itemId}/{cancel_by_admin?}/{requestingUser?}` accepts `cancel_by_admin` as a plain URL path segment with no authorization check. Any authenticated user regardless of permissions can set this parameter to a truthy value and supply a victim's user ID to silently cancel that user's pending asset requests. The attacker only needs an active session; no elevated privilege is required. ### Patches Patched in 8.6.1

CVE-2026-55476 Affected Snipe/snipe it Versions

1 component(s)
Fixed Versions:
8.6.0
Product / Package Ecosystem Affected Versions Fixed Version
snipe/snipe-it
 Packagist
< 8.6.0
8.6.0

References

GitHub Advisory / Wiki ADVISORY
https://github.com/grokability/snipe-it/security/advisories/GHSA-53jc-27pc-x8r8
NVD — CVE-2026-55476 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-55476
Security Fix Commit FIX COMMIT
https://github.com/grokability/snipe-it/commit/3c1b18919afbba12d419a9795929493b0391c91a
Security Fix Commit FIX COMMIT
https://github.com/grokability/snipe-it/commit/ac2162113d9e25e4c61b61916ce67fb2a1050553
Snipe/snipe it Source Repository REPOSITORY
https://github.com/grokability/snipe-it
Snipe/snipe it Release RELEASE
https://github.com/grokability/snipe-it/releases/tag/v8.6.0

Frequently Asked Questions

What is CVE-2026-55476?
CVE-2026-55476 is a security vulnerability in Snipe/snipe it involving Snipe-IT Vulnerable to Unauthorized Asset Request Cancellation via Unguarded cancel_by_admin Parameter under CWE-862: Missing Authorization.
Which Snipe/snipe it versions are affected?
Affected versions include releases prior to 8.6.0 across affected packages: snipe/snipe-it.
What version fixes CVE-2026-55476?
Upgrading to 8.6.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is snipe/snipe-it affected?
Yes, snipe/snipe-it is affected in releases prior to 8.6.0. Upgrade your dependency to 8.6.0 or later.
What CWE is associated with CVE-2026-55476?
CVE-2026-55476 is classified under CWE-862: Missing Authorization (The product does not perform an authorization check when an actor attempts to access a resource or perform an action.).
How can I check Packagist dependencies for CVE-2026-55476?
Run the dependency tree command: 'inspect dependencies for snipe/snipe-it'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-53jc-27pc-x8r8",
  "modified" : "2026-08-28T18:03:45Z",
  "published" : "2026-08-28T18:02:16Z",
  "aliases" : [ "CVE-2026-55476" ],
  "summary" : "Snipe-IT Vulnerable to Unauthorized Asset Request Cancellation via Unguarded cancel_by_admin Parameter",
  "details" : "### Impact\nThe route POST `/account/request/{itemType}/{itemId}/{cancel_by_admin?}/{requestingUser?}` accepts `cancel_by_admin` as a plain URL path segment with no authorization check. Any authenticated user regardless of permissions can set this parameter to a truthy value and supply a victim's user ID to silently cancel that user's pending asset requests. The attacker only needs an active session; no elevated privilege is required.\n\n### Patches\nPatched in 8.6.1",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "snipe/snipe-it"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "8.6.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/grokability/snipe-it/security/advisories/GHSA-53jc-27pc-x8r8"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-55476"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/grokability/snipe-it/commit/3c1b18919afbba12d419a9795929493b0391c91a"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/grokability/snipe-it/commit/ac2162113d9e25e4c61b61916ce67fb2a1050553"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/grokability/snipe-it"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/grokability/snipe-it/releases/tag/v8.6.0"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-862" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-08-28T18:02:16Z",
    "nvd_published_at" : "2026-07-10T19:17:25Z"
  }
}