CVE-2026-33377: Dashboard Import Overwrites ACL — Editor Privilege Escalation to Dashboard Admin
Vulnerability summary
CVE-2026-33377 is a high (CVSS 7.1) Improper Authentication vulnerability in grafana. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.3% of scored vulnerabilities.
Not severe (CVSS 7.1, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 15 · Related 6Timeline
- 13-05-2026PublishedVulnerability first disclosed.
- 27-08-2026Last modifiedVulnerability information updated.
Description
An Editor can overwrite a dashboard not owned by them to acquire admin on that specific dashboard. The user must have write access to the dashboard to escalate privilege.
CVSS metrics
5 scores · 5 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
- OSV · WolfiEcosystem advisory · calculated7.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
- OSV · ChainguardEcosystem advisory · calculated7.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
- NVDNIST7.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.23% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Chainguard6 products
- grafana-12.0All versions (No fix recorded)
- grafana-12.1All versions (No fix recorded)
- grafana-12.4< 12.4.3.02-r0
- grafana-fips-12.0All versions (No fix recorded)
- grafana-fips-12.1All versions (No fix recorded)
Grafana2 products
- grafanaEOL≥ 8.5.0, < 11.6.14 | ≥ 12.2.0, < 12.2.8 | ≥ 12.3.0, < 12.3.6 | ≥ 12.4.0, < 12.4.3 | 11.6.14 | 11.6.14:security01 | 12.2.8 | 12.2.8:security01 | 12.3.6 | 12.3.6:security01 | 12.4.3 | 13.0.0 | 13.0.1
- grafana oss≥ 8.5.0, ≤ 11.6.14 | ≥ 11.6.14, < 11.6.14+security-04 | ≥ 12.0.0, ≤ 12.2.8 | ≥ 12.2.8, < 12.2.8+security-04 | ≥ 12.3.0, ≤ 12.3.6 | ≥ 12.3.6, < 12.3.6+security-04 | ≥ 12.4.0, ≤ 12.4.3 | ≥ 12.4.3, < 12.4.3+security-02 | ≥ 13.0.0, ≤ 13.0.1 | ≥ 13.0.1, < 13.0.1+security-01
Ubuntu1 product
- grafanaAll versions (No fix recorded)
Wolfi1 product
- grafana-12.4< 12.4.3.02-r0
4 vendors · 10 products