CVE-2026-26027

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{"affected": [{"affectedData": [{"product": "glpi", "vendor": "glpi-project", "versions": [{"status": "affected", "version": ">= 11.0.0, < 11.0.6"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:glpi-project:glpi:*:*:*:*:*:*:*:*", "matchCriteriaId": "7BF95FA7-1F5E-4D44-B291-5576720FB714", "versionEndExcluding": "11.0.6", "versionStartIncluding": "11.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "GLPI is a free asset and IT management software package. From 11.0.0 to before 11.0.6, an unauthenticated user can store an XSS payload through the inventory endpoint. This vulnerability is fixed in 11.0.6."}], "id": "CVE-2026-26027", "lastModified": "2026-06-17T10:25:37.520", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-26027", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-04-06T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-04-06T15:17:07.243", "references": [{"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/glpi-project/glpi/security/advisories/GHSA-chch-wcm9-f9cp"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}, {"lang": "en", "value": "CWE-116"}, {"lang": "en", "value": "CWE-306"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[11.0.0,11.0.6)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "glpi", "source": "cna", "vendor": "glpi-project"}, "product": "glpi", "vendor": "glpi-project"}], "analysis": {"en": {"generated_at": "2026-04-07T22:56:34.442988+00:00", "value": {"mitigation_remediation": ["Upgrade GLPI to version 11.0.6 or later.", "If upgrading is not immediately possible, block unauthenticated access to the inventory endpoint or restrict it to privileged users only.", "As a temporary measure, sanitize or escape all data stored in inventory fields before rendering it to reduce the risk of script execution.", "Regularly review the GLPI security advisories and apply subsequent patches as they become available."], "summary": {"action": "Apply Patch", "impact": "Stored cross\u2011site scripting"}, "threat_synthesis": {"affected_systems": "GLPI, the open\u2011source asset and IT management application from the glpi\u2011project. Versions from 11.0.0 up to, but not including, 11.0.6 are affected. All installations that expose the inventory interface without requiring authentication are at risk.", "description_and_impact": "This vulnerability allows an unauthenticated user to inject a malicious script into a GLPI instance through the inventory endpoint. The stored payload is saved and later rendered in the browser of any user who views the affected page, permitting the attacker to steal session cookies, deface content, or execute arbitrary actions in the context of the victim. The weakness arises because the application fails to encode or filter the data before storage, matching the CWE\u201179 classification.", "risk_and_exploitability": "The CVSS score of 7.5 indicates a high severity. With an EPSS score below 1\u202f% the probability of public exploitation is low, and the vulnerability is not listed in the CISA KEV catalog. However, the flaw can be exercised trivially by anyone who can access the GLPI web interface and does not need privileged credentials. Attackers simply need to submit a crafted payload to the inventory form and then lure another user to view the stored data."}}}}, "created": "2026-04-06T20:14:27.725837+00:00", "updated": "2026-04-08T19:50:50.804669+00:00", "vendors": ["glpi-project", "glpi-project$PRODUCT$glpi"]}