CVE-2026-35540

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

0.38% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 32.3% 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:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-24.

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

2026-04-03 03:47Z6 MO AGO

Last updated

2026-04-03 12:52Z6 MO AGO

Reserved

2026-04-03

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 5.4)

CNA CVSS vector

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

Weaknesses

• CWE-669Incorrect Resource Transfer Between SpheresClass

Data version

5.2

Document digest

914557c8fbc55b34fc4108b6b16d9ba9c123231e038abceaa471155ce9ece340

• roundcube.nethttps://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14
• github.comhttps://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5
• github.comhttps://github.com/roundcube/roundcubemail/commit/579b68eff90650a5c782e153debd66c765648942
• github.comhttps://github.com/roundcube/roundcubemail/releases/tag/1.6.14
• github.comhttps://github.com/roundcube/roundcubemail/commit/27ec6cc9cb25e1ef8b4d4ef39ce76d619caa6870