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Back to active CVEs
High · CVSS 7.7CVE-2026-104629

Grid Protection Alliance openPDC and openHistorian Use of Externally-Controlled Input to Select Classes or CodeCVE-2026-104629

Answer in brief

CVE-2026-104629 records a High severity (CVSS 7.7) vulnerability in Grid Protection Alliance openPDC and openHistorian Use of Externally-Controlled Input to Select Classes or Code. The current sources do not mark it as known exploited. The current feed maps Grid Protection Alliance/openHistorian (generic), Grid Protection Alliance/openPDC (generic), Grid Protection Alliance/openPDC (Docker image) (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 9, 2026Updated Oct 9, 2026Source checked Oct 9, 2026First seen by HOL Oct 9, 2026Material review Oct 9, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.7
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.7. 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 Grid Protection Alliance/openHistorian (generic), Grid Protection Alliance/openPDC (generic), Grid Protection Alliance/openPDC (Docker image) (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Grid Protection Alliance/openHistoriangeneric>=0 <2.8.580 || >=0 <2.8.5852.8.580, 2.8.585
Grid Protection Alliance/openPDCgeneric>=0 <2.9.477 || >=0 <2.9.4822.9.477, 2.9.482
Grid Protection Alliance/openPDC (Docker image)generic>=0 <2.9.477 || >=0 <2.9.4822.9.477, 2.9.482

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Grid Protection Alliance/openHistorian, Grid Protection Alliance/openPDC, Grid Protection Alliance/openPDC (Docker image).
  2. 2Review the reported fix. Source-reported solution: Grid Protection Alliance has added additional verification and integrity checks of adapters in openPDC version 2.9.477 and later and openHistorian version 2.8.580 and later.

Evidence timeline and material changes

  1. Published upstream

    Oct 9, 2026

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

  2. Source modified

    Oct 9, 2026

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

  3. First seen by HOL

    Oct 9, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • CISA Known Exploited Vulnerabilities catalogcisa.gov
Upstream source description

A component loading mechanism in openPDC and openHistorian will construct and run any specified type, which may be an invalid component to load. An attacker with an authenticated user account and the ability to place a file on the host filesystem can use this to run arbitrary constructor code, and this code runs with the privileges of the affected service account.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Grid Protection Alliance openPDC (Docker image) Use of Hard-coded CredentialsSame grid protection alliance/openpdc (docker image) package
  • Denial of Service via Eager Array Allocation During Deserialization in GuavaSame generic ecosystem
  • Reachable assertion in illumos bhyve REP string instruction emulation allows guest to panic hostSame generic ecosystem
  • KodExplorer < 4.55 Path Traversal via unzip_pre_name() ZIP ExtractionSame generic ecosystem
  • SmarterMail < Build 9777 SysAdmin Remote Code Execution via Volume MountSame generic ecosystem
  • SmarterMail < Build 9777 Stored Mutation XSS via MathML Foreign ContentSame generic ecosystem

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-470
Source
CVE List V5
Source checked
Oct 9, 2026
References
2 linked sources
Open source record