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High 7.5Published Sep 30, 2026

CVE-2023-54402iDocView SSRF via /doc/upload Endpoint Hardcoded Token

Updated under an hour ago ()

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It affects iDocView. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.45%, higher than 37% of scored CVEs.

iDocView contains a server-side request forgery vulnerability in its /doc/upload endpoint that allows remote unauthenticated attackers to fetch arbitrary URLs by supplying a hardcoded default token value (testtoken) to bypass authentication. Attackers can exploit the unrestricted URL scheme handling, including file:// URIs, to read arbitrary local files such as operating-system and application configuration files, and to reach internal network hosts and services not otherwise accessible. Exploitation evidence was first observed by the Shadowserver Foundation on 2024-03-26.

CVSS
7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE)
CWE-918
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
0.45% (percentile 37)
Assigned by
VulnCheck
NVD analysis
Deferred
Record last updated
Oct 5, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
iDocView iDocView
idocview:idocview (from the name)
all versions
CNA record

References

  • technical-description
  • exploit
  • third-party-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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