CVE-2026-58163

Apache Traffic Server mishandles on-disk cache fields and object lifetimes, corrupting state or crashing. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d	Mailing List Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apache:traffic_server::::::::
	cpe:2.3:a:apache:traffic_server::::::::
	cpe:2.3:a:apache:traffic_server::::::::

History

01 Oct 2026, 18:17

Type	Values Removed	Values Added
Summary	(en) Apache Traffic Server mishandles on-disk cache fields and object lifetimes, corrupting state or crashing. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.	(en) Apache Traffic Server mishandles on-disk cache fields and object lifetimes, corrupting state or crashing. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

Information

Published : 2026-07-29 10:16

Updated : 2026-10-01 18:17

NVD link : CVE-2026-58163

Mitre link : CVE-2026-58163

CVE.ORG link : CVE-2026-58163

JSON object : View

Products Affected

apache

traffic_server

CWE

CWE-502

Deserialization of Untrusted Data

{"id": "CVE-2026-58163", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-58163", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-29T13:40:36.285944Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@apache.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 5.2, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "security@apache.org", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/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": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "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@apache.org", "affectedData": [{"vendor": "Apache Software Foundation", "product": "Apache Traffic Server", "versions": [{"status": "affected", "version": "8.0.0", "versionType": "semver", "lessThanOrEqual": "8.1.11"}, {"status": "affected", "version": "9.0.0", "versionType": "semver", "lessThanOrEqual": "9.2.14"}, {"status": "affected", "version": "10.0.0", "versionType": "semver", "lessThanOrEqual": "10.1.3"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-29T10:16:42.073", "references": [{"url": "https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d", "tags": ["Mailing List", "Vendor Advisory"], "source": "security@apache.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security@apache.org", "description": [{"lang": "en", "value": "CWE-502"}]}], "descriptions": [{"lang": "en", "value": "Apache Traffic Server mishandles on-disk cache fields and object lifetimes, corrupting state or crashing.\n\n\n\nThis issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.\n\n\n\nUsers are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue."}], "lastModified": "2026-10-01T18:17:24.433", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "794DDF59-947A-46A0-8F3A-787F41907189", "versionEndIncluding": "8.1.9", "versionStartIncluding": "8.0.0"}, {"criteria": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "263419B0-B760-4418-AC91-C767EB703313", "versionEndExcluding": "9.2.15", "versionStartIncluding": "9.0.0"}, {"criteria": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "487610D4-99FD-4870-8976-03A8BC081A49", "versionEndExcluding": "10.1.4", "versionStartIncluding": "10.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@apache.org"}