CVE-2026-28377
High · 7.5CVSS
7.5
EPSS
0.2%
Published
Mar 26, 2026
CISA due date
—
The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| openSUSE:Tumbleweed | tempo-cli | 0 | 2.10.3-1.1 |
Related vulnerabilities
- CVE-2026-112026 A security vulnerability has been detected in light0011 cms… CWE-326
- CVE-2026-77405 RabbitMQ amqp091-go is a Go AMQP 0.9.1 client. CWE-326
- CVE-2026-86670 A flaw has been found in aircheng-org iWebShop-5 up to 5.15. CWE-326
- CVE-2026-17520 The Newsletters WordPress plugin before 4.17 does not generate its API key using a… CWE-326
- CVE-2026-47842 Applications using AesBytesEncryptor with the two-argument constructor or when passing a… CWE-326
- CVE-2026-79084 Inadequate encryption strength in Notifications in Google Chrome on on Windows prior to… CWE-326
- CVE-2026-74889 openssl_encrypt versions before 1.4.0 use HKDF with no salt and static info parameter in… CWE-326
- CVE-2026-65777 Inadequate encryption strength in Windows Active Directory allows an authorized attacker… CWE-326