GHSA-hvc7-763r-4f3h: Openssl encrypt Openssl-encrypt Has No Owner Verification Vulnerability

MODERATE
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CWE-862
Published
Advisory Summary

GHSA-hvc7-763r-4f3h is a MODERATE openssl-encrypt has no owner verification vulnerability (CWE-862: Missing Authorization) affecting Openssl encrypt libraries in the PyPI ecosystem. The issue involves openssl-encrypt has no owner verification on key revocation — any client can revoke any key. Remediation is available by upgrading affected packages to version 1.4.0.

GHSA-hvc7-763r-4f3h at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-hvc7-763r-4f3h
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-862: Missing Authorization
Affected Product Openssl encrypt
Package Ecosystem PyPI
Published Date
Last Updated

How to Fix GHSA-hvc7-763r-4f3h

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

openssl-encrypt fixed: 1.4.0 
pip install openssl-encrypt>=1.4.0
Verify Direct and Transitive Dependencies

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

pip show openssl-encrypt

How to Check if You Are Affected

To determine whether your Python environment is affected by GHSA-hvc7-763r-4f3h, inspect your installed packages using pip:

pip show openssl-encrypt

Analyze the terminal output to locate any version of Openssl encrypt in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.4.0), your application is affected.

Note: The pip show openssl-encrypt command checks currently installed packages in your active Python environment.

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 Openssl encrypt, 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

### Summary The `revoke_key` method in `openssl_encrypt_server/modules/keyserver/service.py` at **lines 195-270** accepts a `client_id` parameter but never verifies that the requesting client is the same as `key.owner_client_id`. ### Impact Any authenticated client can revoke any other client's key, as long as they provide a valid revocation signature. While the signature requirement mitigates this somewhat (you need the private key to sign), the lack of ownership check is a defense-in-depth gap. ### Recommended Fix - Add an ownership check: verify `client_id == key.owner_client_id` before allowing revocation - Return 403 Forbidden if the requesting client does not own the key ### Fix Fixed in commit `05e45f3` on branch `releases/1.4.x` — added documentation that ML-DSA signature verification IS the cryptographic ownership check; added info-level logging on successful verification.

GHSA-hvc7-763r-4f3h Affected Openssl encrypt Versions

1 component(s)
Fixed Versions:
1.4.0
Product / Package Ecosystem Affected Versions Fixed Version
openssl-encrypt
pypi/openssl-encrypt
PyPI
< 1.4.0
1.4.0

References

GitHub Advisory / Wiki ADVISORY
https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-hvc7-763r-4f3h
Security Fix Commit FIX COMMIT
https://github.com/jahlives/openssl_encrypt/commit/05e45f393886b5bf7e924d2dd42099a9dd37f91d
Openssl encrypt Source Repository REPOSITORY
https://github.com/jahlives/openssl_encrypt

Frequently Asked Questions

What is GHSA-hvc7-763r-4f3h?
GHSA-hvc7-763r-4f3h is a security vulnerability in Openssl encrypt involving openssl-encrypt has no owner verification on key revocation — any client can revoke any key under CWE-862: Missing Authorization.
Which Openssl encrypt versions are affected?
Affected versions include releases prior to 1.4.0 across affected packages: openssl-encrypt.
What version fixes GHSA-hvc7-763r-4f3h?
Upgrading to 1.4.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is openssl-encrypt affected?
Yes, openssl-encrypt is affected in releases prior to 1.4.0. Upgrade your dependency to 1.4.0 or later.
What CWE is associated with GHSA-hvc7-763r-4f3h?
GHSA-hvc7-763r-4f3h 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 PyPI dependencies for GHSA-hvc7-763r-4f3h?
Run the dependency tree command: 'pip show openssl-encrypt'. 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-hvc7-763r-4f3h",
  "modified" : "2026-04-01T21:11:32Z",
  "published" : "2026-04-01T21:11:32Z",
  "aliases" : [ ],
  "summary" : "openssl-encrypt has no owner verification on key revocation — any client can revoke any key",
  "details" : "### Summary\n\nThe `revoke_key` method in `openssl_encrypt_server/modules/keyserver/service.py` at **lines 195-270** accepts a `client_id` parameter but never verifies that the requesting client is the same as `key.owner_client_id`.\n\n### Impact\n\nAny authenticated client can revoke any other client's key, as long as they provide a valid revocation signature. While the signature requirement mitigates this somewhat (you need the private key to sign), the lack of ownership check is a defense-in-depth gap.\n\n### Recommended Fix\n\n- Add an ownership check: verify `client_id == key.owner_client_id` before allowing revocation\n- Return 403 Forbidden if the requesting client does not own the key\n\n### Fix\n\nFixed in commit `05e45f3` on branch `releases/1.4.x` — added documentation that ML-DSA signature verification IS the cryptographic ownership check; added info-level logging on successful verification.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "openssl-encrypt"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.4.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-hvc7-763r-4f3h"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/jahlives/openssl_encrypt/commit/05e45f393886b5bf7e924d2dd42099a9dd37f91d"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/jahlives/openssl_encrypt"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-862" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-04-01T21:11:32Z",
    "nvd_published_at" : null
  }
}