CVE-2026-34839
high
CVSS v3
โ
CVSS v4 NEW
โ
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
โ
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 โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Mixed 4 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Affected | โ |
| sid | Fixed | 4.5.4+dfsg-1 |
| forky | Fixed | 4.5.4+dfsg-1 |
| bookworm | Affected | โ |
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
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.