CVE-2026-12704 (GCVE-0-2026-12704)
Vulnerability from cvelistv5
Published
2026-09-02 16:05
Modified
2026-09-03 08:07
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
When SAML IdP-initiated login is enabled in Grafana Enterprise, the SAML library skips validation of the InResponseTo field on all SAML responses, including SP-initiated logins. This removes anti-replay protection, allowing an attacker who obtains a valid signed SAML assertion to replay it and gain a session as the victim user. Only instances with the allow_idp_initiated SAML setting enabled are affected; this setting is off by default and Grafana OSS is not affected.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Grafana | Grafana Enterprise |
Version: 11.6.0 ≤ 11.6.17 Version: 12.2.0 ≤ 12.2.11 Version: 12.3.0 ≤ 12.3.11 Version: 12.4.0 ≤ 12.4.10 Version: 13.0.0 ≤ 13.0.7 Version: 13.1.0 ≤ 13.1.4 Version: 13.2.0 ≤ 13.2.0 |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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