The XML‑RPC API addUser method has a validation bypass introduced in the fix for CVE‑2025‑55129. As a result, API users could create usernames that enabled impersonation or stored XSS attacks. Proper validation has been added where it was missing.
CVE-2026-44961
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 25.8%
- KEV
- Not listed
Published
June 23, 2026
Last Modified
June 25, 2026
References (1)
- support@hackeronehttps://hackerone.com/reports/3680090
Vendor Advisories for CVE-2026-44961(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 21× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 16:31 UTCGHSA enrichment
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-03 10:45 UTCGHSA enrichment
- 2026-07-01 15:07 UTCEPSS rescore
- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-30 04:56 UTCGHSA enrichment
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 04:56 UTCEPSS rescore
- 2026-06-28 04:56 UTCEPSS rescore
- 2026-06-27 03:08 UTCEPSS rescore
- 2026-06-26 23:15 UTCEG score recompute
- 2026-06-26 23:15 UTCGHSA enrichment
- 2026-06-25 13:49 UTCEPSS rescore
- 2026-06-24 14:05 UTCEPSS rescore
- 2026-06-23 17:35 UTCEG score recompute
- 2026-06-23 17:34 UTCNVD updatefirst tracked
Related CVEs(same CWE)
Frequently asked(4)
What is CVE-2026-44961?
When was CVE-2026-44961 disclosed?
Is CVE-2026-44961 actively exploited?
How do I remediate CVE-2026-44961?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-44961
Is Your Infrastructure Affected by CVE-2026-44961?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.