CVE-2026-34839
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
Glances: Cross-Origin Information Disclosure via Unauthenticated REST API (/api/4) due to Permissive CORS
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-34839
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | affected | |
| debian | forky | fixed | 4.5.4+dfsg-1 |
| debian | sid | fixed | 4.5.4+dfsg-1 |
| debian | trixie | affected | |
References
- https://github.com/nicolargo/glances/security/advisories/GHSA-gfc2-9qmw-w7vh
- https://nvd.nist.gov/vuln/detail/CVE-2026-34839
- https://github.com/nicolargo/glances/commit/fdfb977b1d91b5e410bc06c4e19f8bedb0005ce9
- https://github.com/nicolargo/glances
- https://security-tracker.debian.org/tracker/CVE-2026-34839
- https://github.com/advisories/GHSA-gfc2-9qmw-w7vh
Verify integrity in audit chain (admin only). AS-IS.