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Back to active CVEs
High · CVSS 8.6CVE-2026-101155

Security Advisory 0189CVE-2026-101155

Answer in brief

CVE-2026-101155 records a High severity (CVSS 8.6) vulnerability in Security Advisory 0189. The current sources do not mark it as known exploited. The current feed maps Arista Networks/CloudVision Portal (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 Oct 6, 2026Updated Oct 6, 2026Source checked Oct 7, 2026First seen by HOL Oct 6, 2026Material review Oct 6, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.6
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 8.6. 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 Arista Networks/CloudVision Portal (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Arista Networks/CloudVision Portalgeneric2026.2.0 || >=2026.1.0 <=2026.1.2 || >=2025.3.0 <=2025.3.3 || >=2024.2.0 <2025.3.0Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Arista Networks/CloudVision Portal.
  2. 2Review the reported fix. Source-reported solution: CVE-2026-101155 has been fixed in the following releases: - 2026.2.1 and later releases in the 2026.2.x train - 2026.1.3 and later releases in the 2026.1.x train - 2025.3.4 and later releases in the 2025.3.x train

Evidence timeline and material changes

  1. Published upstream

    Oct 6, 2026

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

  2. Source modified

    Oct 6, 2026

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

  3. First seen by HOL

    Oct 6, 2026

Sources and claim methodology

  • Source referencearista.com
Upstream source description

An authenticated remote attacker with specific permissions can read or write files on the platform filesystem beyond the intended scope through specially crafted requests and/or crafted file uploads to the Software Management Studio Software Repository.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Vault Vulnerable to Arbitrary Code Execution via Plugin Catalog Entries Restored From Raft SnapshotsAlso CWE-22
  • Vault ACL Policy Cache Vulnerable to Cross-Namespace Policy ResolutionAlso CWE-22
  • Vault PKI ACME Issues Certificate With Unvalidated SANsSame generic ecosystem
  • Cyrus-sasl: heap buffer overflow in cyrus-sasl add_to_challenge() allows malicious server to crash or compromise digest-md5 clientsSame generic ecosystem
  • Cluster-samples-operator: role reads all secrets in openshift-config, not just pull-secretSame generic ecosystem
  • AsyncHttpClient: Unbounded WebSocket permessage-deflate decompression enables a decompression-bomb denial of service when compression is enabledSame generic ecosystem

Record context

Vulnerability class
Path Traversal
EPSS
Not reported
CWE IDs
CWE-22
Source
CVE List V5
Source checked
Oct 7, 2026
References
1 linked source
Open source record