Vulnerabilities in pkg:gem/katello

PACKAGE
Advisory Identifier: GHSA-c43c-rf7g-5xpg
Advisory Summary

CVE-2026-12515 is a MODERATE (CVSS 4.3) missing repository authorization vulnerability (CWE-862: Missing Authorization) affecting katello libraries in the RubyGems ecosystem. The issue involves missing repository authorization in content_uploads exposes cross-product content existence. Remediation is available by upgrading affected packages to version 4.21.0.rc1.

8 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:gem/katello

8 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:gem/katello. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-c43c-rf7g-5xpg CVE-2026-12515 MODERATE katello: missing repository authorization in content_uploads exposes cross-product content existence
GHSA-fwj4-6wgp-mpxm CVE-2026-4324 MODERATE Katello: Denial of Service and potential information disclosure via SQL injection
GHSA-5xv2-q475-rwrh CVE-2012-3503 CRITICAL Katello uses hard coded credential
GHSA-527r-mfmj-prqf CVE-2016-3072 HIGH Katello SQL Injection vulnerabilities
GHSA-cpv6-pfq6-j2v7 CVE-2017-2662 MODERATE katello Improper Privilege Management vulnerability
GHSA-mhhc-r88h-2qrm CVE-2018-16887 MODERATE katello Cross-site Scripting vulnerability
GHSA-jx5v-788g-qw58 CVE-2018-14623 MODERATE katello SQL Injection vulnerability
GHSA-m4wh-848j-9w2r CVE-2019-14825 LOW Katello cleartext password storage issue

CVE-2026-12515 at a Glance

CVE Identifier CVE-2026-12515
GHSA Identifier GHSA-c43c-rf7g-5xpg
Severity MODERATE
CVSS v3.1 Base Score 4.3
CWE Classification CWE-862: Missing Authorization
Affected Product katello
Package Ecosystem RubyGems
Published Date
Last Updated

Security Impact

CVSS: 4.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2026-12515

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

katello fixed: 4.21.0.rc1
Upgrade katello to 4.21.0.rc1
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 katello

How to Check if You Are Affected

To determine whether your application is affected by CVE-2026-12515, inspect your project dependencies for katello:

inspect dependencies for katello

Analyze the terminal output to locate any version of katello in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.21.0.rc1), 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 katello, 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

A flaw was found in Katello's of Red Hat Satellite. A content upload functionality where insufficient authorization checks in the ContentUploadsController allowed users with the edit_products permission to query content information for repositories outside the products they were authorized to manage. An authenticated attacker could exploit this issue to determine whether specific content exists within repositories that should otherwise be inaccessible. This issue does not allow unauthorized modification, import, or publication of content.

CVE-2026-12515 Affected katello Versions

1 component(s)
Fixed Versions:
4.21.0.rc1
Product / Package Ecosystem Affected Versions Fixed Version
katello
RubyGems
< 4.21.0.rc1
4.21.0.rc1

References

Frequently Asked Questions

What is CVE-2026-12515?
CVE-2026-12515 is a security vulnerability in katello involving missing repository authorization in content_uploads exposes cross-product content existence under CWE-862: Missing Authorization.
Which katello versions are affected?
Affected versions include releases prior to 4.21.0.rc1 across affected packages: katello.
What version fixes CVE-2026-12515?
Upgrading to 4.21.0.rc1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is katello affected?
Yes, katello is affected in releases prior to 4.21.0.rc1. Upgrade your dependency to 4.21.0.rc1 or later.
What is the CVSS score of CVE-2026-12515?
CVE-2026-12515 has a CVSS v3.1 base score of 4.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2026-12515?
CVE-2026-12515 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 RubyGems dependencies for CVE-2026-12515?
Run the dependency tree command: 'inspect dependencies for katello'. 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
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-c43c-rf7g-5xpg",
  "modified" : "2026-08-05T00:30:35Z",
  "published" : "2026-06-17T18:35:57Z",
  "aliases" : [ "CVE-2026-12515" ],
  "summary" : "katello: missing repository authorization in content_uploads exposes cross-product content existence",
  "details" : "A flaw was found in Katello's of Red Hat Satellite. A content upload functionality where insufficient authorization checks in the ContentUploadsController allowed users with the edit_products permission to query content information for repositories outside the products they were authorized to manage. An authenticated attacker could exploit this issue to determine whether specific content exists within repositories that should otherwise be inaccessible. This issue does not allow unauthorized modification, import, or publication of content.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "katello"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "4.21.0.rc1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-12515"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/Katello/katello/pull/11712"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/errata/RHSA-2026:50221"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/errata/RHSA-2026:50222"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/errata/RHSA-2026:50223"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/errata/RHSA-2026:50263"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/security/cve/CVE-2026-12515"
  }, {
    "type" : "WEB",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2489812"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/Katello/katello"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/katello/CVE-2026-12515.yml"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-862" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-06-18T14:39:16Z",
    "nvd_published_at" : "2026-06-17T17:16:42Z"
  }
}