CVE-2026-27131

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.5 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 83% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

The 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.

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
25(Track)
EG Risk 25/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity55% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
17%
KEV
Not listed

Published

March 23, 2026

Last Modified

June 17, 2026

Advisory Details (3)

Auto-updated Aug 4, 2026
Patch available. Sources: github_commit, github.
github Patch Available

Potential information disclosure via Sprig Playground · Advisory · putyourlightson/craft-sprig · GitHub

https://github.com/putyourlightson/craft-sprig/security/advisories/GHSA-m59h-42jf-cphr
github_commit Patch Available

commit db18c46f6dc5 (putyourlightson/craft-sprig)

Patch available: putyourlightson/craft-sprig 3.7.2 (contains commit db18c46f6dc5)

https://github.com/putyourlightson/craft-sprig/commit/db18c46f6dc5603828aa321a3a615adbd677d475
github_commit Patch Available

commit 09c9da2ffb45 (putyourlightson/craft-sprig)

Patch available: putyourlightson/craft-sprig 2.15.2 (contains commit 09c9da2ffb45)

https://github.com/putyourlightson/craft-sprig/commit/09c9da2ffb45a8857829f3390ae2578e26cfe03b

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFixed inDependents
putyourlightson/craft-sprig3.0.0 ... 3.7.1 (16 versions)3.7.2—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 27× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 185 total refreshes for this CVE.

  1. 2026-09-18 19:28 UTCEPSS rescore
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  1. 2026-08-21 23:49 UTCEPSS rescore
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  7. 2026-08-16 10:45 UTCEG score recompute
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  41. 2026-07-23 03:07 UTCEG score recompute
  42. 2026-07-22 14:08 UTCEPSS rescore
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  53. 2026-07-17 07:16 UTCOSV refresh
  54. 2026-07-16 17:03 UTCEPSS rescore
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  74. 2026-07-05 02:30 UTCEPSS rescore
  75. 2026-07-04 06:31 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-27131?
CVE-2026-27131 is a medium vulnerability published on March 23, 2026. The 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…
When was CVE-2026-27131 disclosed?
CVE-2026-27131 was first published in the National Vulnerability Database on March 23, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-27131 actively exploited?
CVE-2026-27131 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 82.9% of all scored CVEs.
What is the CVSS score of CVE-2026-27131?
CVE-2026-27131 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-27131?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-27131, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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