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Fencer Vulns
high 8.6

CVE-2025-26525 json

Arbitrary file read risk through pdfTeX

published 2025-02-24 20 mo ago modified 2026-09-08 2 mo ago also BIT-moodle-2025-26525 , EUVD-2025-4275 , GHSA-4hmr-39vp-xfrr

cvss
8.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

Insufficient sanitizing in the TeX notation filter resulted in an arbitrary file read risk on sites where pdfTeX is available (such as those with TeX Live installed).

Patch / fix

  • packagist moodle/moodle 4.1.16, 4.3.10, 4.4.6, 4.5.2
  • bitnami moodle 4.1.16, 4.3.10, 4.4.6, 4.5.2
  • Moodle Project moodle 4.1.16, 4.3.10, 4.4.6, 4.5.2

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-26525 updated cvss 8.6

moodle: Arbitrary file read risk through pdfTeX

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
GitHub 3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
OSV 3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
packagist moodle/moodle
>=4.5.0-beta, <4.5.2
>=4.4.0-beta, <4.4.6
>=4.3.0-beta, <4.3.10
<4.1.16
4.5.2
4.4.6
4.3.10
4.1.16
bitnami moodle
>=4.1.0, <4.1.16
>=4.3.0, <4.3.10
>=4.4.0, <4.4.6
>=4.5.0, <4.5.2
4.1.16
4.3.10
4.4.6
4.5.2

Affected products

  • Moodle Project moodle

Classification

Weakness
  • CWE-552 Files or Directories Accessible to External Parties

References

Sources

Fencer Vulns 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.