CVE-2026-13601

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 7.5% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-08-20.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-06-29 09:20Z2 MO AGO

Last updated

2026-08-20 12:31Z15 DAYS AGO

Reserved

2026-06-29

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Weaknesses

• CWE-693Protection Mechanism FailurePillar

Data version

5.2

Document digest

2fd49d1a09040eaa17e67f83e87c1a379c1b6d2128ffe0fd75b782d4690b24a2

• access.redhat.comRHSA-2026:47177https://access.redhat.com/errata/RHSA-2026:47177vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:47178https://access.redhat.com/errata/RHSA-2026:47178vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:54539https://access.redhat.com/errata/RHSA-2026:54539vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:54540https://access.redhat.com/errata/RHSA-2026:54540vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:54605https://access.redhat.com/errata/RHSA-2026:54605vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:54624https://access.redhat.com/errata/RHSA-2026:54624vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:54637https://access.redhat.com/errata/RHSA-2026:54637vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:54666https://access.redhat.com/errata/RHSA-2026:54666vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:57417https://access.redhat.com/errata/RHSA-2026:57417vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-13601vdb-entryx_refsource_REDHAT
• blogs.gnome.orghttps://blogs.gnome.org/mcatanzaro/2026/05/11/flatpak-sandbox-escape-via-yelp/
• bugzilla.redhat.comRHBZ#2494110https://bugzilla.redhat.com/show_bug.cgi?id=2494110issue-trackingx_refsource_REDHAT
• gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/yelp/-/commit/c8c8244c8a812860782d635890c9b6c43ecc2639
• gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/yelp/-/work_items/238
• security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-13601.jsonx_sadp-csaf-vex