CVE-2026-39897

Cacti is an open source performance and fault management framework. Versions 1.2.30 and below contain a Reflected XSS vulnerability in the html_auth_footer. This issue has been fixed in version 1.2.31.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/Cacti/cacti/commit/7c544ea0b45de627f206eefe93005433c2c3864d	Patch
https://github.com/Cacti/cacti/security/advisories/GHSA-2j98-xfjq-gw39	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:cacti:cacti:*:*:*:*:*:*:*:*

History

25 Jun 2026, 15:04

Type	Values Removed	Values Added
References	~~() https://github.com/Cacti/cacti/commit/7c544ea0b45de627f206eefe93005433c2c3864d -~~	() https://github.com/Cacti/cacti/commit/7c544ea0b45de627f206eefe93005433c2c3864d - Patch
References	~~() https://github.com/Cacti/cacti/security/advisories/GHSA-2j98-xfjq-gw39 -~~	() https://github.com/Cacti/cacti/security/advisories/GHSA-2j98-xfjq-gw39 - Vendor Advisory
First Time		Cacti Cacti cacti
CPE		cpe:2.3:a:cacti:cacti::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.1

24 Jun 2026, 22:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-24 22:16

Updated : 2026-06-25 15:04

NVD link : CVE-2026-39897

Mitre link : CVE-2026-39897

CVE.ORG link : CVE-2026-39897

JSON object : View

Products Affected

cacti

cacti

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2026-39897", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-39897", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-25T13:44:40.471391Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/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": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "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": "security-advisories@github.com", "affectedData": [{"vendor": "Cacti", "product": "cacti", "versions": [{"status": "affected", "version": "< 1.2.31"}]}]}], "published": "2026-06-24T22:16:46.887", "references": [{"url": "https://github.com/Cacti/cacti/commit/7c544ea0b45de627f206eefe93005433c2c3864d", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/Cacti/cacti/security/advisories/GHSA-2j98-xfjq-gw39", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Cacti is an open source performance and fault management framework. Versions 1.2.30 and below contain a Reflected XSS vulnerability in the html_auth_footer. This issue has been fixed in version 1.2.31."}], "lastModified": "2026-06-25T15:04:26.260", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cacti:cacti:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5406B2E1-D53C-45AC-8F93-CFCAEDC1B5F8", "versionEndExcluding": "1.2.31"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}