CVE-2026-35535

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Summary

CVECVE-2026-35535
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-03 03:16:18 UTC
Updated2026-06-02 17:50:58 UTC
DescriptionIn Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop before running the mailer, is not a fatal error and can lead to privilege escalation.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

EPSS: 0.000040000 probability, percentile 0.001810000 (date 2026-04-07)

Problem Types: CWE-271 | CWE-271 CWE-271 Privilege Dropping / Lowering Errors

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1[email protected]Secondary7.4HIGHCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS7.4HIGHCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Siemens Ruggedcom Rst2428p - All All All
Operating System Siemens Sinec Os All All All All
Application Sudo Project Sudo All All All All
Application Sudo Project Sudo 1.9.17 - All All
Application Sudo Project Sudo 1.9.17 p1 All All
Application Sudo Project Sudo 1.9.17 p2 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Sudo Project Sudo affected 3e474c2f201484be83d994ae10a4e20e8c81bb69 git Not specified
ADP Siemens RUGGEDCOM RST2428P affected V4.0 custom Not specified

References

ReferenceSourceLinkTags
www.qualys.com/2026/03/10/crack-armor.txt [email protected] www.qualys.com Third Party Advisory
bugs.debian.org/1130593 [email protected] bugs.debian.org Broken Link
github.com/sudo-project/sudo/commit/3e474c2f201484be83d994ae10a4e20e8c81... [email protected] github.com Patch
cert-portal.siemens.com/productcert/html/ssa-253495.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com Third Party Advisory
bugs.launchpad.net/ubuntu/+source/sudo/+bug/2143042 [email protected] bugs.launchpad.net Issue Tracking
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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