Basecamp Upright Plugin Alertmanager/Prometheus Proxy Controller cross-site request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Basecamp Upright Plugin. This affects an unknown part of the component Alertmanager/Prometheus Proxy Controller. Such manipulation leads to cross-site request forgery. This vulnerability is traded as CVE-2026-67990. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Basecamp Upright Plugin (unknown version) and classified as problematic. Affected by this issue is an unknown code block of the component Alertmanager/Prometheus Proxy Controller. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. Using CWE to declare the problem leads to CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. Impacted is integrity. CVE summarizes:

basecamp/upright at commit efe4f2e5254ac6e57e45d2261804cca74dbbca3f disables Rails CSRF protection for its Alertmanager and Prometheus proxy controllers. An unauthenticated attacker can induce a logged-in user's browser to submit requests that are forwarded to enabled upstream write or management endpoints, such as creating an Alertmanager silence or requesting a Prometheus reload. The final impact depends on the APIs enabled by the upstream services.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-67990 since 07/30/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Applying the patch efe4f2e5254ac6e57e45d2261804cca74dbbca3f is able to eliminate this problem.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: efe4f2e5254ac6e57e45d2261804cca74dbbca3f

Timelineinfo

07/30/2026 CVE reserved
08/13/2026 +14 days Advisory disclosed
08/13/2026 +0 days VulDB entry created
08/13/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-67990 (🔒)
GCVE (CVE): GCVE-0-2026-67990
GCVE (VulDB): GCVE-100-389534

Entryinfo

Created: 08/13/2026 17:07
Changes: 08/13/2026 17:07 (54)
Complete: 🔍
Cache ID: 216::103

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