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  4. CVE 2026 104474 openlitespeed before 193 local privilege
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Back to active CVEs
Medium · CVSS 5.4CVE-2026-104474

OpenLiteSpeed before 1.9.3 Local Privilege Escalation via lsup.sh Auto-Update

Answer in brief

CVE-2026-104474 records a Medium severity (CVSS 5.4) vulnerability in OpenLiteSpeed before 1.9.3 Local Privilege Escalation via lsup.sh Auto-Update. The current sources do not mark it as known exploited. The current feed maps litespeedtech/openlitespeed (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 2, 2026Updated Oct 2, 2026Source checked Oct 3, 2026First seen by HOL Oct 2, 2026Material review Oct 2, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.4
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 5.4. 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 litespeedtech/openlitespeed (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
litespeedtech/openlitespeedgeneric>=0 <1.9.31.9.3

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for litespeedtech/openlitespeed.
  2. 2Review the reported fix. Update litespeedtech/openlitespeed to 1.9.3 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 2, 2026

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

  2. Source modified

    Oct 2, 2026

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

  3. First seen by HOL

    Oct 2, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referenceopenlitespeed.org
  • Source referencevulncheck.com
Upstream source description

OpenLiteSpeed before 1.9.3 contains a local privilege escalation vulnerability in admin/misc/lsup.sh that runs unverified update packages from a nobody-writable directory as root. Attackers controlling the nobody web process can replace the package in /usr/local/lsws/autoupdate/ before extraction, so its install.sh runs as root on the next update.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • CodeArt Google MP3 Audio Player 1.0.11 Arbitrary File Read via direct_download.phpSame generic ecosystem
  • Weaver e-Bridge Unauthenticated Arbitrary File Read via saveYZJFileSame generic ecosystem
  • H3C CVM Unauthenticated File Upload via fileUpload/upload TokenSame generic ecosystem
  • @orpc/json-schema: Prototype injection in smart coercionSame generic ecosystem
  • @orpc/zod: Prototype injection in smart coercionSame generic ecosystem
  • Missing authentication for critical function in Loom for AWSSame generic ecosystem

Record context

Vulnerability class
Privilege Escalation
EPSS
Not reported
CWE IDs
CWE-367
Source
CVE List V5
Source checked
Oct 3, 2026
References
4 linked sources
Open source record