Grafana Tempo 2.10.3 /status/config missing encryption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Grafana Tempo 2.10.3 and classified as problematic. Affected is an unknown function of the file /status/config. Executing a manipulation can lead to missing encryption. This vulnerability is registered as CVE-2026-28377. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Grafana Tempo 2.10.3. It has been declared as problematic. This vulnerability affects an unknown code of the file /status/config. The manipulation with an unknown input leads to a missing encryption vulnerability. The CWE definition for the vulnerability is CWE-311. The product does not encrypt sensitive or critical information before storage or transmission. As an impact it is known to affect confidentiality. CVE summarizes:

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.

The advisory is available at grafana.com. This vulnerability was named CVE-2026-28377 since 02/27/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1600 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-16424). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (GRAFANA): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing encryption
CWE: CWE-311 / CWE-310
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/27/2026 CVE reserved
03/26/2026 +27 days Advisory disclosed
03/26/2026 +0 days VulDB entry created
03/27/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: grafana.com
Status: Confirmed

CVE: CVE-2026-28377 (🔒)
GCVE (CVE): GCVE-0-2026-28377
GCVE (VulDB): GCVE-100-353770
EUVD: 🔒

Entryinfo

Created: 03/26/2026 23:17
Updated: 03/27/2026 04:28
Changes: 03/26/2026 23:17 (62), 03/27/2026 04:28 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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