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OpenKM Community Edition XXE file read and SSRF in REST XML parser

Affects OpenKM Community Edition 6.3.3 through 6.3.13 and 7.0.3 in the FormUtils and LocalEntityResolver components. Fixed in 7.0.4.

CVE-2026-112181

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

8.3HighCNA
Exploited
No known exploitation
Fix
Fixed in 7.0.4
Who is exposed
Specific setups only

Do first: Check whether your setup matches what the bug needs. Affected: OpenKM Community Edition 6.3.3 through 6.3.13 and 7.0.3, in the FormUtils / LocalEntityResolver components.

Published
Last modified
Reference
Last checked
0.43% · 37th percentile
16/100 · provisional
Specific setups only
None on Exploit-DB, Metasploit or GitHub

Summary

OpenKM Community Edition contains an XML entity processing flaw that lets a remote attacker who has a basic user login (ROLE_USER) send a crafted REST request. Depending on the branch, the attacker can make the server send requests they control (SSRF) or read local files and reach internal HTTP resources.

Read the original description

Vulnerability due to inadequate restriction of references to external XML entities in OpenKM Community Edition. The XML processing in FormUtils / LocalEntityResolver does not properly restrict the resolution of external resources. An authenticated remote attacker with the ROLE_USER role can exploit the flaw via a REST request. In the 6.3.x branch, this allows the attacker to trigger HTTP requests under their control (SSRF); in 7.0.3, it allows the attacker to read local files and access internal HTTP resources from the server.

Who should check

Teams running OpenKM Community Edition 6.3.3 to 6.3.13 or 7.0.3, including the FormUtils / LocalEntityResolver components

Read the source excerpt

“OpenKM Community Edition, versions 6.3.3 through 6.3.13 and 7.0.3”

incibe.es

cve.now Index

16Pcve.now Index 16 of 100 · methodology v3 · provisional
  • Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
  • Exposure8/25Specific setups only, reachable over the network
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity8.3/10CVSS 8.3
  • No patch0/5No signal

What would change the score

  • Would score about 66 if added to CISA KEV
  • Would score about 61 if CISA's SSVC rates exploitation active
  • Would score about 23 if CISA's SSVC rates it automatable

What to do

  • Check whether your setup matches what the bug needs.

    Affected: OpenKM Community Edition 6.3.3 through 6.3.13 and 7.0.3, in the FormUtils / LocalEntityResolver components.
  • Upgrade to a fixed version: 7.0.4.

Check your systems with an agent

Paste this into a coding or ops agent. It checks your systems read-only and reports a table per asset.

Check whether my systems are affected by CVE-2026-112181 (Multiple Vulnerabilities in OpenKM Community Edition), using the cve.now data below.

Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only.

What cve.now has for CVE-2026-112181 (entry last updated 2026-11-13):
Affected:
- OpenKM OpenKM Community Edition: from 6.3.3, through 6.3.13
Fixed versions: 7.0.4.
Conditions (all must be true for the bug to be hit):
- Affected: OpenKM Community Edition 6.3.3 through 6.3.13 and 7.0.3, in the FormUtils / LocalEntityResolver components. (source: https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-openkm-community-edition)
Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory.
Attacker needs: network access, low-privilege login, no user action.
CISA KEV: CVE-2026-112181 is not listed as of cve.now's last read.
This KEV status is for CVE-2026-112181 only. If you also check another CVE, look up its own KEV status; never assume it from this one.

How to check:
- Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory.

Verify against the linked advisories before concluding, and cite the date you read each one:
- https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-openkm-community-edition
- https://www.cve.org/CVERecord?id=CVE-2026-112181
Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing.

Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action.

Entry: https://cve.now/CVE-2026-112181
For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example execute with name cve.get and arguments {"id": "CVE-2026-112181"}.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. Record last updated

Affected versions

  • OpenKM OpenKM Community Edition

    From 6.3.3 · through 6.3.13

Evidence 3

CVE record · 2

Establishes: The identifier and description.

  1. Record
  2. Record

Other links · 1

  1. Link

Corrections

None so far.

Something wrong on this page? Report an error. Every fix is listed here.

Questions about CVE-2026-112181

Is CVE-2026-112181 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

What does this mean?

The flaws let an attacker read local files and reach internal HTTP resources on the server in 7.0.3. In the 6.3.x versions, they let an attacker trigger attacker-controlled HTTP requests, which is SSRF.Source: incibe.es, cve.org

Which versions are affected by CVE-2026-112181?

OpenKM Community Edition: from 6.3.3 through 6.3.13.Source: cve.now feed data

Am I affected, and how do I check?

The listed versions are OpenKM Community Edition 6.3.3 through 6.3.13 and 7.0.3, in the FormUtils and LocalEntityResolver components. Compare the installed OpenKM CE version against these ranges.Source: incibe.es, cve.org

How do I fix CVE-2026-112181?

Update OpenKM CE 7.0.3 to 7.0.4, which has already been released. The checked facts name no fixed version for the 6.3.x line.Source: incibe.es, cve.org