CVE-2026-41253

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 ImpacttotalSuccessful exploitation gives total 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

0.20% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 9.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-04-18 05:27Z4 MO AGO

Last updated

2026-04-20 15:52Z4 MO AGO

Reserved

2026-04-18

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 6.9)

CNA CVSS vector

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

Weaknesses

• CWE-829Inclusion of Functionality from Untrusted Control SphereBase

Data version

5.2

Document digest

fb62c941d0f922da84a32f3b8acc0a685ad63b108e53761fe89a5a307fd6b1df

• iterm2.comhttps://iterm2.com/downloads.html
• blog.calif.iohttps://blog.calif.io/p/mad-bugs-even-cat-readmetxt-is-not
• github.comhttps://github.com/gnachman/iTerm2/commit/a9e745993c2e2cbb30b884a16617cd5495899f86
• news.ycombinator.comhttps://news.ycombinator.com/item?id=47809190