CVE-2026-61858
Full vulnerability record from the local CVENow database.
Description
ImageMagick before 7.1.2-26 contains a policy bypass vulnerability in the APNG encoder and external delegates due to missing validation checks. Attackers can write files to disallowed paths by bypassing configured policy restrictions through the APNG encoding process.
Severity
MEDIUM
CVSS score
4.8
(v4.0)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-11 14:16:24.020000
Last modified
2026-10-29 21:17:27.620000
View original CVE JSON
{
"id": "CVE-2026-61858",
"sourceIdentifier": "[email protected]",
"published": "2026-07-11T14:16:24.020",
"lastModified": "2026-10-29T21:17:27.620",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "ImageMagick before 7.1.2-26 contains a policy bypass vulnerability in the APNG encoder and external delegates due to missing validation checks. Attackers can write files to disallowed paths by bypassing configured policy restrictions through the APNG encoding process."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "ImageMagick",
"product": "ImageMagick",
"defaultStatus": "unaffected",
"versions": [
{
"version": "7.0.0",
"lessThan": "7.1.2-26",
"versionType": "semver",
"status": "affected"
},
{
"version": "7.1.2-26",
"versionType": "semver",
"status": "unaffected"
}
]
},
{
"vendor": "ImageMagick",
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{
"version": "0",
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},
{
"version": "6.9.13-51",
"versionType": "semver",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/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",
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "LOW",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"cvssMetricV31": [
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"type": "Secondary",
"cvssData": {
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
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"availabilityImpact": "NONE"
},
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},
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
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"availabilityImpact": "NONE"
},
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],
"ssvcV203": [
{
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"ssvcData": {
"timestamp": "2026-07-14T14:10:01.256242Z",
"id": "CVE-2026-61858",
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}
],
"role": "CISA Coordinator",
"version": "2.0.3"
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},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-59"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"criteria": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.9.13-51",
"matchCriteriaId": "04EA847E-A872-4815-93ED-324AE5221CCF"
},
{
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],
"references": [
{
"url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-v3j6-27vc-7pw2",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
},
{
"url": "https://www.vulncheck.com/advisories/imagemagick-before-26-policy-bypass-via-apng-encoder",
"source": "[email protected]",
"tags": [
"Broken Link"
]
}
]
}