Answer in brief
CVE-2026-123816 records a High severity (CVSS 8.1) vulnerability in pyLoad: Authentication bypass in API key validation (check_apikey cache). The current sources do not mark it as known exploited. The current feed maps pyload/pyload (generic), pyload-ng (pip), pyload-ng (pypi). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.1. 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.
The current feed maps pyload/pyload (generic), pyload-ng (pip), pyload-ng (pypi). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| pyload/pyloadgeneric | <0.5.0b3.dev101 | 0.5.0b3.dev101 |
| pyload-ngpip | <0.5.0b3.dev101 | 0.5.0b3.dev101 |
| pyload-ngpypi | >=0 <0.5.0b3.dev101 | 0.5.0b3.dev101 |
Published upstream
Nov 9, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 9, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 9, 2026
pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, Api.check_apikey caches successful validation in self._apikey_cache using only the attacker-controlled key_id. After a legitimate key populates the cache, a forged API key with the same key_id reaches the cache-hit path without comparing apikey[-43:] to the stored hash through hmac.compare_digest. Key identifiers are small sequential integers, so an unauthenticated remote attacker can enumerate an active identifier and inherit the cached key owner's permissions during the 300-second cache lifetime. This issue is fixed in version 0.5.0b3.dev101.
Quoted source text, attributed separately from HOL analysis.