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VulnerabilityCVE-2026-55445Published 2026-07-15

CVE-2026-55445 — whyour qinglong

critical (derived)

As of 2026-07-15, CVE-2026-55445 is a Critical-severity (band derived from the CVSS v4.0 score, not stated by the CNA) vulnerability in whyour qinglong, CVSS v4.0 9.3, EPSS 0.4% (32.6th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-55445 as of 2026-07-15; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

CVSS v4.0
9.3/10Critical (derived)
EPSS
0.4%Higher than 32.6% of scored CVEs
CISA KEV
NoNot in the KEV catalog
Tracked threats
0None linked yet
Priority
6/10Threadlinqs triage score
Published
CVSS v4.0 9.3 (Critical, derived from score) · EPSS 0.4% (higher than 32.6% of all scored CVEs) · Priority 6/10 · Published 2026-07-15

Last updated:

What is CVE-2026-55445?

Qinglong is a timed task management platform supporting Python3, JavaScript, Shell, and Typescript. Prior to 2.20.1, the init guard middleware in back/loaders/express.ts checks /api/user/init but not /open/user/init, while rewrite('/open/*', '/api/$1') rewrites the whitelisted /open/* path after JWT authentication and the guard have passed; an unauthenticated attacker can send PUT /open/user/init to reset administrator credentials on an initialized instance. This issue is fixed in 2.20.1.

The record classifies CVE-2026-55445 under weakness class CWE-287. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 82 days ago.

Severity and exploitation probability

CVSS v4.0 base score
9.3 — Critical (derived from score)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS (FIRST)
0.4% probability of exploitation in the next 30 days, higher than 32.6% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
6/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2026-07-15

Is CVE-2026-55445 being exploited?

It currently carries a trending score of 38 in the Threadlinqs vulnerability feed.

Affected products and versions

  • whyour: qinglong

How to fix CVE-2026-55445

No vendor patch reference has been recorded for CVE-2026-55445 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-55445

No threat campaign in the Threadlinqs corpus currently references CVE-2026-55445, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

Sources

Enriched from CVE.org, NVD, FIRST EPSS. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.

Vendor advisory and patch

Other references