🛡️ CVE-2018-15727 — grafana

🔴 CVSS 9.5 — Critical ✅ No Known Exploit CWE-287 OSV
9.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Grafana Authentication Bypass

Grafana before 4.6.4 and 5.x before 5.2.3 allows authentication bypass because an attacker can generate a valid "remember me" cookie knowing only a username of an LDAP or OAuth user.

Specific Go Packages Affected

github.com/grafana/grafana/pkg/api

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2018-15727 is classified as CWE-287: Improper Authentication. The identity of the caller is not established correctly, so an attacker can act as another user.

Affected software

CVE-2018-15727 is recorded against 1 package.

  • github.com/grafana/grafana

Timeline and source

Published on 15 February 2022 and last revised on 3 March 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
access.redhat.com (Web)
access.redhat.com (Web)
grafana.com (Web)
www.securityfocus.com (Web)

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-287
Public Exploit ✅ No
Source OSV
Published 2022-02-15
Updated 2026-08-12
Modified 2026-03-03

Affected Packages

Software From version Fixed in
github.com/grafana/grafana — —

Similar Threats

Exploit Protection

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