CVE-2026-27877: Public dashboards discloses all direct mode datasources
Vulnerability summary
CVE-2026-27877 is a high (CVSS 7.5) vulnerability in grafana. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 24.4% of scored vulnerabilities.
Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 5Timeline
- 27-03-2026PublishedVulnerability first disclosed.
- 27-08-2026Last modifiedVulnerability information updated.
Description
When using public dashboards and direct data-sources, all direct data-sources' passwords are exposed despite not being used in dashboards. No passwords of proxied data-sources are exposed. We encourage all direct data-sources to be converted to proxied data-sources as far as possible to improve your deployments' security.
CVSS metrics
8 scores · 8 sources · 1 version- CVE.orgCNA6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NDiffers
- OSV · Red hatEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · WolfiEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NDiffers
- OSV · GoEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NDiffers
- OSV · ChainguardEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NDiffers
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.31%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
Decrease -0.08 pp
From 0.40% 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 cause- CWE-312Cleartext Storage of Sensitive InformationThe product stores sensitive information in cleartext within a resource that might be accessible to another control sphere.
- CWE-201Insertion of Sensitive Information Into Sent DataThe code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor.
Affected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Chainguard15 products
- grafana-11.5All versions (No fix recorded)
- grafana-11.6All versions (No fix recorded)
- grafana-12.0All versions (No fix recorded)
- grafana-12.1All versions (No fix recorded)
- grafana-12.2All versions (No fix recorded)
Redhat4 products
- grafana< 0:10.2.6-24.el10_1 | < 0:10.2.6-20.el9_7 | < 0:10.2.6-20.el9_6 | < 0:10.2.6-23.el10_0
- grafana-debuginfo< 0:10.2.6-24.el10_1 | < 0:10.2.6-20.el9_7 | < 0:10.2.6-20.el9_6 | < 0:10.2.6-23.el10_0
- grafana-debugsource< 0:10.2.6-24.el10_1 | < 0:10.2.6-20.el9_7 | < 0:10.2.6-20.el9_6 | < 0:10.2.6-23.el10_0
- grafana-selinux< 0:10.2.6-24.el10_1 | < 0:10.2.6-20.el9_7 | < 0:10.2.6-20.el9_6 | < 0:10.2.6-23.el10_0
Alpine1 product
- grafana≥ 11.6.14, < 12.2.8-r0 | ≥ 11.6.14, < 12.4.3-r0
Github.com/grafana1 product
- grafana≥ 9.3.0 (No fix recorded) | ≥ 12.0.0 (No fix recorded) | ≥ 12.2.0 (No fix recorded) | ≥ 12.3.0 (No fix recorded) | ≥ 12.4.0 (No fix recorded) | ≥ 1.9.2-0.20221116104934-4ee83a5f2bf4, < 1.9.2-0.20260325055210-3522153e07b4 | All versions (No fix recorded)
Grafana1 product
- grafana≥ 9.3.0, < 11.6.14 | ≥ 12.0.0, < 12.1.10 | ≥ 12.2.0, < 12.2.8 | ≥ 12.3.0, < 12.3.6 | ≥ 12.4.0, < 12.4.2 | < 9.3.0 | ≥ 11.6.14, < 12.0.0 | ≥ 12.1.10, < 12.2.0 | ≥ 12.2.8, < 12.3.0 | ≥ 12.3.6, < 12.4.0
Ubuntu1 product
- grafanaAll versions (No fix recorded)
Wolfi1 product
- grafana-12.3All versions (No fix recorded)
7 vendors · 24 products
References
22 linksShow all 22 references
- github.com/grafana/grafanaPACKAGE