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Fencer Intel
medium 5.4

CVE-2026-107263 json

Gutenberg - Moderately critical - Access bypass - SA-CONTRIB-2026-202

published last mo. modified 10d ago also DRUPAL-CONTRIB-2026-202 , EUVD-2026-113573

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 6%
public exploits
0
none known

Summary

Incorrect Authorization vulnerability in Drupal Gutenberg allows Forceful Browsing. This issue affects Gutenberg versions: from 0.0.0 to 2.15.0, from 3.0.0 to 3.0.7.

Patch / fix

  • packagist drupal/gutenberg 2.15.0, 3.0.7
  • Drupal Gutenberg 2.15.0, 3.0.7

Is CVE-2026-107263 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
10d ago

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist drupal/gutenberg
<2.15.0
>=3.0.0, <3.0.7
2.15.0
3.0.7

Affected products

  • Drupal Gutenberg

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.