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  4. CVE 2026 58163 apache traffic server cache deserialization and
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Back to active CVEs
High · CVSS 8.3CVE-2026-58163

Apache Traffic Server: Cache deserialization and lifetime errors can corrupt state or crash the server

Answer in brief

CVE-2026-58163 records a High severity (CVSS 8.3) vulnerability in Apache Traffic Server: Cache deserialization and lifetime errors can corrupt state or crash the server. The current sources do not mark it as known exploited. The current feed maps Apache Software Foundation/Apache Traffic Server (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 29, 2026Updated Oct 1, 2026Source checked Oct 1, 2026First seen by HOL Aug 3, 2026Material review Oct 1, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Apache Software Foundation/Apache Traffic Server (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Apache Software Foundation/Apache Traffic Servergeneric>=8.0.0 <=8.1.11 || >=9.0.0 <=9.2.14 || >=10.0.0 <=10.1.3Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Apache Software Foundation/Apache Traffic Server.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Jul 29, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 3, 2026

Sources and claim methodology

  • Source referencelists.apache.org
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • DHIS2: Unsafe Java Deserialization - Remote Code Execution (RCE)Also CWE-502
  • Wormhole.app SSRFSame generic ecosystem
  • Unauthenticated Remote Code Execution via MacTool Command Injection in TP-Link Tapo C120 & C200Same generic ecosystem
  • Out-of-bounds write in PeaZip PEA extractor allows code execution via a crafted .pea archiveSame generic ecosystem
  • Cadmos LTI exposure of sensitive information via debug modeSame generic ecosystem
  • Joyland AI hard-coded credentials for push notificationsSame generic ecosystem

Record context

Vulnerability class
Deserialization
EPSS
Not reported
CWE IDs
CWE-502
Source
CVE List V5
Source checked
Oct 1, 2026
References
1 linked source
Open source record