CVE-2026-6855

highpriority · track · 0EPSS 0.002 · 6 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.16% (6th) EPSS

CVSS 7.1 · high

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

A flaw was found in InstructLab. A local attacker could exploit a path traversal vulnerability in the chat session handler by manipulating the `logs_dir` parameter. This allows the attacker to create new directories and write files to arbitrary locations on the system, potentially leading to unauthorized data modification or disclosure.

cvss

Technical severity, 0–10. One row per scoring source.

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–7.1

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Nsecondary · ENISA EU

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Nsecondary · secalert@redhat.com USexploitability 1.8 · impact 5.2

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Nsecondary · OSV

v3.16.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USCWE-22US

affected products (3)

Products and version ranges known to be affected.

redhat enterprise linux ai= 3.0nvdUScpe:2.3:o:redhat:enterprise_linux_ai:*:*:*:*:*:*:*:*
redhat instructlaball versionsnvdUScpe:2.3:a:redhat:instructlab:*:*:*:*:*:*:*:*
PyPI instructlab≤ 0.26.1osvUSpkg:pypi/instructlab

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-pqmg-c2j8-fq92InstructLab vulnerable to Path Traversal2026-04-22ghsa · osvUS
A flaw was found in InstructLab. A local attacker could exploit a path traversal vulnerability in the chat session handler by manipulating the `logs_dir` parameter. This allows the attacker to create new directories and write files to arbitrary locations on the system, potentially leading to unauthorized data modification or disclosure.
PYSEC-2026-2521InstructLab vulnerable to Path Traversal2026-07-13vendor · osvUS
A flaw was found in InstructLab. A local attacker could exploit a path traversal vulnerability in the chat session handler by manipulating the `logs_dir` parameter. This allows the attacker to create new directories and write files to arbitrary locations on the system, potentially leading to unauthorized data modification or disclosure.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2026-04-22modified 2026-10-26

references (5)

External citations — patches, advisories, analysis.

https://nvd.nist.gov/vuln/detail/CVE-2026-6855 cnnvd
https://access.redhat.com/security/cve/CVE-2026-6855 enisa_euvd
https://bugzilla.redhat.com/show_bug.cgi?id=2460013 enisa_euvd
https://access.redhat.com/security/cve/CVE-2026-6855Vendor Advisorynvd
https://bugzilla.redhat.com/show_bug.cgi?id=2460013Issue TrackingVendor Advisorynvd

scry

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