CVE-2026-42876
medium
CVSS v3
4.9
CVSS v4 NEW
—
VIR risk
4.9
Description
ExternalSecrets vulnerable to privilege escalation with secret overwriting
Predictions
Exploit likelihood
59%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/external-secrets/external-secrets/apis | >=0.1.0,<2.4.1 | 2.4.1 |
| GO | github.com/external-secrets/external-secrets/apis | >= 0.1.0, < 2.4.1 | 2.4.1 |
References
- https://github.com/external-secrets/external-secrets/commit/4ddd240af7fe88725d9857b9a0c198073502e288
- https://github.com/external-secrets/external-secrets/releases/tag/v2.4.1
- https://github.com/external-secrets/external-secrets/security/advisories/GHSA-fq7h-9x26-6j22
- https://nvd.nist.gov/vuln/detail/CVE-2026-42876
- https://github.com/external-secrets/external-secrets
- https://github.com/advisories/GHSA-fq7h-9x26-6j22
CWEs
CWE-285
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.