Sprig Plugin for Craft CMS potentially discloses sensitive information via Sprig Playground

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Summary

CVECVE-2026-27131
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-23 20:16:25 UTC
Updated2026-04-15 15:45:46 UTC
DescriptionThe Sprig Plugin for Craft CMS is a reactive Twig component framework for Craft CMS. Starting in version 2.0.0 and prior to versions 2.15.2 and 3.15.2, admin users, and users with explicit permission to access the Sprig Playground, could potentially expose the security key, credentials, and other sensitive configuration data, in addition to running the `hashData()` signing function. This issue was mitigated in versions 3.15.2 and 2.15.2 by disabling access to the Sprig Playground entirely when `devMode` is disabled, by default. It is possible to override this behavior using a new `enablePlaygroundWhenDevModeDisabled` that defaults to `false`.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N

EPSS: 0.000370000 probability, percentile 0.107700000 (date 2026-04-15)

Problem Types: CWE-200 | CWE-489 | CWE-200 CWE-200: Exposure of Sensitive Information to an Unauthorized Actor | CWE-489 CWE-489: Active Debug Code

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N
3.1CNADECLARED5.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Putyourlightson Craft-sprig affected >= 3.0.0, < 3.15.2 Not specified
CNA Putyourlightson Craft-sprig affected >= 2.0.0, < 2.15.2 Not specified

References

ReferenceSourceLinkTags
github.com/putyourlightson/craft-sprig/commit/db18c46f6dc5603828aa321a3a... [email protected] github.com
github.com/putyourlightson/craft-sprig/security/advisories/GHSA-m59h-42j... [email protected] github.com
github.com/putyourlightson/craft-sprig/commit/09c9da2ffb45a8857829f3390a... [email protected] github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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