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Repository file disclosure via DataTable src in Otter Wiki

Priority LOW 36CWE-552Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-552.

Summary

Otter Wiki from 2.20.1 before 2.26.2, from redimp, contains a file disclosure flaw in its DataTable embedding. The flaw, tracked as CWE-552, lets users read files inside the repository that are meant to stay internal. An attacker who can edit pages, including anonymous users under the default configuration, can render such a file as a table and expose any stored remote credentials.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

Description from the CNA

An Otter Wiki 2.20.1 before 2.26.2 contains a file disclosure vulnerability in the DataTable embedding that allows attackers who can edit pages, including anonymous users under the default configuration, to read repository-internal files. Attackers can set an absolute src such as /.git/config to render the file as a table, exposing any stored remote credentials.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00297 22nd percentileScored 2026-11-07
Fix Fixed otterwiki (redimp): 2.26.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
redimpotterwiki2.20.1 to before 2.26.22.26.2Patch availableCNA
  • otterwiki Vendorredimp Affected 2.20.1 to before 2.26.2 Fixed in 2.26.2 Patch available CNA

Remediation

Upgrade Otter Wiki to version 2.26.2, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

  • Fix · CNA otterwiki (redimp) Fixed in 2.26.2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    redimp otterwiki 2.26.2

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-83875 Stored cross-site scripting in Otter Wiki via math code blockPriority LOW 24

Timeline

  1. 2026-11-02 Threatist record created from CVE-2026-120501
  2. 2026-11-02 Alias added: GHSA-vqc6-v48c-q9rf
  3. 2026-11-04 Priority changed: MEDIUM → LOW
  4. 2026-11-07 CISA SSVC decision points changed

References

  • TI-2026-83875 Stored cross-site scripting in Otter Wiki via math code block CVSS 4.0MEDIUM 5.3

Sources