CVE-2026-92759 Overview
CVE-2026-92759 is an information disclosure vulnerability in SecObserve, an open-source vulnerability management platform. Versions before 1.59.1 expose the decrypted basic_auth_password field through the ApiConfigurationSerializer. The serializer fails to strip credential fields from API configuration responses returned by standard REST endpoints. View-only product members can retrieve plaintext basic-auth passwords belonging to configured scanner or integration service accounts. The flaw maps to [CWE-522: Insufficiently Protected Credentials] and enables lateral access into upstream systems trusted by SecObserve.
Critical Impact
Authenticated low-privilege users can extract cleartext service account credentials used by integrated scanners, potentially pivoting into connected security tooling.
Affected Products
- SecObserve versions prior to 1.59.1
- SecObserve backend ApiConfigurationSerializer in backend/application/import_observations/api/serializers.py
- API configurations storing basic-auth credentials for scanner or integration services
Discovery Timeline
- 2026-09-16 - CVE-2026-92759 published to NVD
- 2026-09-16 - Last updated in NVD database
Technical Details for CVE-2026-92759
Vulnerability Analysis
SecObserve stores credentials for external scanners and integration services in encrypted form. When a client requests configuration data through the REST API, the ApiConfigurationSerializer decrypts the credential fields and includes them in the serialized response. The serializer does not mark the basic_auth_password field as write-only, nor does it redact the value based on the requester's role.
Any authenticated user with view-only membership on a product can enumerate its API configurations. The response payload contains the plaintext password intended only for outbound authentication from SecObserve to third-party services. The flaw resides in the serializer definition referenced by SecObserve Serializer Code.
Root Cause
The root cause is missing field-level access control in a Django REST Framework serializer. Sensitive credential attributes should be defined as write_only=True or filtered through role-aware to_representation logic. Neither control was applied. Decryption occurred unconditionally during read operations, exposing secrets to any principal permitted to view the parent resource.
Attack Vector
Exploitation requires only network access to the SecObserve API and low-privilege authenticated credentials with view-only rights on the target product. The attacker issues a standard GET request against the API configuration endpoint. The JSON response includes the decrypted basic_auth_password. The attacker can then reuse the credential against the upstream scanner or integration service, extending compromise beyond SecObserve itself.
No synthetic exploitation code is included. Refer to the GitHub Security Advisory GHSA-r968-78vw-jj9m and the VulnCheck SecObserve Advisory for advisory-level technical detail.
Detection Methods for CVE-2026-92759
Indicators of Compromise
- Unexpected GET requests to SecObserve API configuration endpoints from view-only user tokens
- API response payloads containing populated basic_auth_password fields returned to non-admin principals
- Authentication activity on integrated scanners originating from IP addresses not associated with the SecObserve backend host
Detection Strategies
- Audit SecObserve access logs for high-frequency reads of API configuration resources by non-administrative accounts
- Correlate SecObserve credential reads with subsequent authentication events on connected scanners and integrations
- Deploy application-layer inspection to flag responses that contain credential-shaped fields returned to low-privilege sessions
Monitoring Recommendations
- Enable verbose audit logging on SecObserve product membership and API configuration endpoints
- Forward SecObserve and scanner authentication logs to a centralized analytics platform for cross-source correlation
- Alert on any service-account authentication from unexpected source addresses following API configuration reads
How to Mitigate CVE-2026-92759
Immediate Actions Required
- Upgrade SecObserve to version 1.59.1 or later as published in the SecObserve v1.59.1 release
- Rotate every basic_auth_password stored in SecObserve API configurations, since prior values must be considered exposed
- Review product membership and revoke view-only access that is not operationally required
- Audit connected scanner and integration accounts for unauthorized authentication since the affected version was deployed
Patch Information
The fix is included in SecObserve 1.59.1. The maintainers updated the ApiConfigurationSerializer so that credential fields are no longer returned in read responses. Tracking details are available in SecObserve Issue #4799 and the GitHub Security Advisory GHSA-r968-78vw-jj9m.
Workarounds
- Restrict product membership so only trusted administrators can view API configurations until the upgrade is applied
- Replace basic-auth service accounts with short-lived tokens or mutual TLS where the integrated tool supports it
- Place SecObserve behind a reverse proxy that filters credential-shaped fields from outbound JSON responses as a temporary control
# Configuration example
# Upgrade SecObserve to the fixed release
git fetch --tags
git checkout v1.59.1
# Rebuild and restart the backend container
docker compose pull
docker compose up -d --build backend
# After upgrade, rotate exposed credentials in the SecObserve UI
# Settings > Product > API Configurations > Edit > set new basic_auth_password
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
