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CVE-2026-104851VulnerabilityPublished Updated

SUSE fsspec · Security update for python-fsspec

Affects SUSE fsspecSource GCVE Database

0
Authoritative record:CVE-2026-104851· High 8.8

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 12:55 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 40% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu 26.10fsspecpkg:deb/ubuntu/fsspec?arch=source&distro=stonkingOther threatsAffected
  • =2025.12.0-1
Fixed in–
Ubuntu 26.04 LTSfsspecpkg:deb/ubuntu/fsspec?arch=source&distro=resoluteOther threatsAffected
  • =2025.3.2-1ubuntu1
  • =2025.12.0-1
Fixed in–
Ubuntu 24.04 LTSfsspecpkg:deb/ubuntu/fsspec?arch=source&distro=nobleOther threatsAffected
  • 2023.6.0-1 – 2024.2.0-1
4 affected builds
Fixed in–
Ubuntu 22.04 LTSfsspecpkg:deb/ubuntu/fsspec?arch=source&distro=jammyOther threatsAffected
  • =0.8.4-1
  • =2022.01.0-1
Fixed in–
Ubuntu 20.04 LTSfsspecpkg:deb/ubuntu/fsspec?arch=source&distro=focalOther threatsAffected
  • =0.6.1-0.1
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

This update for python-fsspec fixes the following issues: Changes in python-fsspec: - CVE-2026-104851: python-fsspec: remote code execution via server-side template injection in `ReferenceFileSystem` (bsc#1284173)

References

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