01 Record
CVE-2026-81938
Arbitrary file read via Alertmanager receiver configuration in Grafana Mimir
HighPUBLISHEDCNA: GRAFANA
CNA base score7.7 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
02 Description
Arbitrary file read via Alertmanager receiver configuration in Grafana Mimir
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- Not scored by EPSS
- EPSS percentile
- Not scored by EPSS
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Not recorded
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-11-02 18:23Z1 HR AGO
- Last updated
- 2026-11-02 19:06Z1 HR AGO
- Reserved
- 2026-08-27
- Assigning CNA
- GRAFANA
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.7)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- Weaknesses
- CWE-22Improper Limitation of a Pathname to a Restricted DirectoryBase
- Data version
- 5.2
- Document digest
- a2c0cae5440ed511410c3fb294b2f11a820d1c053d0403b9ca435a2bfa7ba03c
05 Affected products
VendorProductVersionsPlatforms