CVE-2026-12198 (GCVE-0-2026-12198)

Vulnerability from cvelistv5 – Published: 2026-06-15 00:00 – Updated: 2026-06-15 10:36 X_Open Source
VLAI
Title
Microweber API Endpoint thumbnail_img userfiles_path path traversal
Summary
A weakness has been identified in Microweber up to 2.0.20. This affects the function userfiles_path of the file /api_nosession/thumbnail_img of the component API Endpoint. Executing a manipulation of the argument cache_path_relative can lead to path traversal. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
7.3 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Microweber Affected: 2.0.0
Affected: 2.0.1
Affected: 2.0.2
Affected: 2.0.3
Affected: 2.0.4
Affected: 2.0.5
Affected: 2.0.6
Affected: 2.0.7
Affected: 2.0.8
Affected: 2.0.9
Affected: 2.0.10
Affected: 2.0.11
Affected: 2.0.12
Affected: 2.0.13
Affected: 2.0.14
Affected: 2.0.15
Affected: 2.0.16
Affected: 2.0.17
Affected: 2.0.18
Affected: 2.0.19
Affected: 2.0.20
    cpe:2.3:a:microweber:microweber:*:*:*:*:*:*:*:*
Credits
TarryHou (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.