ByteOS Network

CVE Vulnerability Details :

CVE-2026-28377

PUBLISHED

More Info Official Page

Assigner-GRAFANA

Assigner Org ID-57da9224-a3e2-4646-9d0e-c4dc2e05e7da

Published At-26 Mar, 2026 | 21:39

Updated At-24 Jul, 2026 | 12:23

▼CVE Numbering Authority (CNA)

S3 SSE-C Encryption Key Exposed in Plaintext via Config Endpoint (CVE-2025-41118 Pattern)

A vulnerability in Grafana Tempo exposes the S3 SSE-C encryption key in plaintext through the /status/config endpoint, potentially allowing unauthorized users to obtain the key used to encrypt trace data stored in S3. Thanks to william_goodfellow for reporting this vulnerability.

Affected Products

Vendor

Grafana Labs

Product

Tempo

Default Status

unaffected

Versions

Affected

2.10.3 (semver)

Metrics

Version	Base score	Base severity	Vector
3.1	7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Version: 3.1

Base score: 7.5

Base severity: HIGH

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

Hyperlink	Resource
https://grafana.com/security/security-advisories/cve-2026-28377	vendor-advisory

Hyperlink: https://grafana.com/security/security-advisories/cve-2026-28377

Resource:

vendor-advisory

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Problem Types

Type	CWE ID	Description
CWE	CWE-326	CWE-326 Inadequate Encryption Strength

Type: CWE

CWE ID: CWE-326

Description: CWE-326 Inadequate Encryption Strength

Affected Products

Affected

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References