CVE-2026-2604

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• 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

0.28% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 20.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-09-25.

Red Hat severity

Moderate. 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

2026-06-16 21:35Z4 MO AGO

Last updated

2026-09-25 23:06Z1 MO AGO

Reserved

2026-02-16

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 5.6)

CNA CVSS vector

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

Weaknesses

• CWE-73External Control of File Name or PathBase

Data version

5.2

Document digest

5a360a465b2b0543f8ad3f5399e37a80527716a262a01700eb4543028ac7b80d

• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-2604vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2440301https://bugzilla.redhat.com/show_bug.cgi?id=2440301issue-trackingx_refsource_REDHAT
• gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/627
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2026/03/msg00007.html
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2026/09/msg00031.html
• gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/evolution-data-server/-/work_items/627exploit