CVE-2026-90453Disclosure

LOWCVSS 5.1 · MEDIUM

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

A file-upload handler redirects the authenticated client's browser to a URL taken directly from that same request's Referer header, without validating it against the application's own origin. This allows an authenticated attacker to craft a request that causes another user's browser to be redirected to an arbitrary external destination after completing an upload.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-601

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets1 URL

By indicator

https://www.cve.org/CVERecord?id=CVE-2026-90453

Full discourse1 post

CVE@CVEnew46d
Disclosure
CVE-2026-90453 A file-upload handler redirects the authenticated client's browser to a URL taken directly from that same request's Referer header, without validating it against the … https://www.cve.org/CVERecord?id=CVE-2026-90453
Post summary
The text announces CVE-2026-90453 and details how a file‑upload handler redirects the authenticated browser to a URL taken from the Referer header without validation, but provides no PoC, exploit code, or remediation information.
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