CVE-2026-116213

Webasyst Framework through 4.4.0 contains an arbitrary file read vulnerability in waArchiveTar::writeItem() that creates symlinks from theme archives without validating link targets. Authenticated users with theme management rights can upload themes containing symlinks to wa-config/db.php or /etc/passwd and read them through the public theme path.

CVSS v3 4.9 MEDIUM

4.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/webasyst/webasyst-framework
https://github.com/webasyst/webasyst-framework/blob/cc609e5db23e68d982e15ebf65bf9d25120333af/wa-system/file/waArchiveTar.class.php#L1243-L1250
https://github.com/webasyst/webasyst-framework/blob/cc609e5db23e68d982e15ebf65bf9d25120333af/wa-system/file/waTheme.class.php#L2609-L2660
https://github.com/webasyst/webasyst-framework/issues/396
https://www.vulncheck.com/advisories/webasyst-framework-through-4.4.0-arbitrary-file-read-via-waarchivetar-symlinks

Configurations

No configuration.

History

26 Oct 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-26 14:16

Updated : 2026-10-26 17:17

NVD link : CVE-2026-116213

Mitre link : CVE-2026-116213

CVE.ORG link : CVE-2026-116213

JSON object : View

Products Affected

No product.

CWE

CWE-59

Improper Link Resolution Before File Access ('Link Following')

{"id": "CVE-2026-116213", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-116213", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-26T15:38:12.723385Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.2}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.9, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"vendor": "Webasyst", "product": "Webasyst Framework", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "4.4.0"}], "packageURL": "pkg:composer/webasyst/framework", "defaultStatus": "unaffected"}]}], "published": "2026-10-26T14:16:34.020", "references": [{"url": "https://github.com/webasyst/webasyst-framework", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/webasyst/webasyst-framework/blob/cc609e5db23e68d982e15ebf65bf9d25120333af/wa-system/file/waArchiveTar.class.php#L1243-L1250", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/webasyst/webasyst-framework/blob/cc609e5db23e68d982e15ebf65bf9d25120333af/wa-system/file/waTheme.class.php#L2609-L2660", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/webasyst/webasyst-framework/issues/396", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/webasyst-framework-through-4.4.0-arbitrary-file-read-via-waarchivetar-symlinks", "source": "disclosure@vulncheck.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-59"}]}], "descriptions": [{"lang": "en", "value": "Webasyst Framework through 4.4.0 contains an arbitrary file read vulnerability in waArchiveTar::writeItem() that creates symlinks from theme archives without validating link targets. Authenticated users with theme management rights can upload themes containing symlinks to wa-config/db.php or /etc/passwd and read them through the public theme path."}], "lastModified": "2026-10-26T17:17:24.177", "sourceIdentifier": "disclosure@vulncheck.com"}