CVE-2026-45810Patch

LOW

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

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0.5/ 10 priority

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Patch

1100.0%

Referenced assets1 URL

By indicator

https://threatcluster.io/cluster/critical-authentication-bypass-vulnerabilities-in-nextcloud--13d5065d

Full discourse1 post

ThreatCluster@threatcluster92d
Patch
Fedora reported that Nextcloud Server 33.0.5 for Fedora 43/44 and EPEL fixes CVE-2026-45690, an authentication bypass allowing two-factor login circumvention, along with CVE-2026-45810 and CVE-2026-45285 data exposure flaws. https://threatcluster.io/cluster/critical-authentication-bypass-vulnerabilities-in-nextcloud--13d5065d
Post summary
Fedora has released patches for Nextcloud Server 33.0.5 addressing authentication bypass and data exposure CVEs (CVE‑2026‑45690, CVE‑2026‑45810, CVE‑2026‑45285).
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