VulnSocial

CVE-2026-109286

LOWCVSS 8.6 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Open WebUI from 0.7.0 before 0.11.4 contains a cross-origin message handling vulnerability in SyncStatsModal that allows any website to steal a signed-in user's session token by posting unvalidated verify:chat messages. Attackers can supply a path-traversal chat id redirecting the authenticated stats export request to the auths endpoint, receiving the victim's JWT for full API access.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-346

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-10-14: 110-14
Referenced assets1 URL
By indicator
Full discourse1 post
  • CCB Alert@CCBalert

    Warning: High-severity XSS flaws in #OpenWebUI! CVE-2026-109291, CVE-2026-109286 & CVE-2026-109290 allow session hijacking & account takeover. #Patch #Patch #Patch More info: https://github.com/open-webui/open-webui/releases/tag/v0.11.4

    00001145
    7.3K followersView on X

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