CVE-2026-47725Disclosure

LOWCVSS 6.9 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.3, every /ui/* POST / PUT / PATCH / DELETE route processes the request as soon as the session cookie validates. SameSite=Lax on the session cookie prevents most cross-site form submits but does not protect: top-level form-submit navigations from third-party pages (some browsers still send Lax cookies on top-level POSTs); same-registrable-domain attackers (sibling-subdomain XSS, subdomain takeover); the GET /ui/logout route, which a third-party <img src=".../ui/logout"> can force-trigger. This issue has been patched in version 0.3.3.

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0.5/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-352

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

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

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 2 signals
Disclosure: 2 classified signals
2 total mentions across 1 day

Deep dive

Activity timeline2 mentions / 1d

Signal classification1 categories

Disclosure

2100.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

Infoflowcloud@infoflowcloud92d
Disclosure
🚨*CVE* CVE-2026-47725 nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.3, every /ui/* POST / PUT / PATCH / DELETE route proces… https://www.cve.org/CVERecord?id=CVE-2026-47725 ----- Traducción: CVE-2026-47725 neb… http://infoflow.cloud`
Post summary
The tweet notes CVE‑2026‑47725 affecting nebula‑mesh, stating that before version 0.3.3 all UI POST/PUT/PATCH/DELETE routes were vulnerable, implying that upgrading mitigates the flaw.
0000023
95 followersView on X
CVE@CVEnew92d
Disclosure
CVE-2026-47725 nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.3, every /ui/* POST / PUT / PATCH / DELETE route proces… https://www.cve.org/CVERecord?id=CVE-2026-47725
Post summary
The post cites CVE‑2026‑47725 and notes a flaw in nebula‑mesh’s UI routes before v0.3.3, but it provides no PoC, exploit code, or mitigation details.
00000672
57.9K followersView on X

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