CVE-2026-35465: SecureDrop Client is a desktop app for journalists to securely communicate with sources and handle submissions

Q: How do I fix CVE-2026-35465?

securedrop-client: upgrade to 0.17.5. Exact commands for each OS are on this page.

Q: Is CVE-2026-35465 being exploited?

CVE-2026-35465 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-35465 affect?

CVE-2026-35465 affects securedrop-client. Severity is high (CVSS 7.5). SecureDrop Client is a desktop app for journalists to securely communicate with sources and handle submissions on the SecureDrop Workstation. In versions 0.17.4 and below, a compromised SecureDrop Server can achieve code execution on the Cl

Routine

HIGH 7.5UPGRADE

CVE-2026-35465 is a high-severity flaw (CVSS 7.5) affecting securedrop-client. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SecureDrop Client is a desktop app for journalists to securely communicate with sources and handle submissions on the SecureDrop Workstation. In versions 0.17.4 and below, a compromised SecureDrop Server can achieve code execution on the Client's virtual machine (sd-app) by exploiting improper filename validation in gzip archive extraction, which permits absolute paths and enables overwriting critical files like the SQLite database. Exploitation

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-36, CWE-73
Published	2026-04-18
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: freedom

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-18 01:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

freedom securedrop-client UPGRADE

Affected: < 0.17.5

Fixed in: 0.17.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy securedrop-client || rpm -q securedrop-client || securedrop-client --version

2. UPGRADE to 0.17.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade securedrop-client

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade securedrop-client

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-35465?

securedrop-client: upgrade to 0.17.5. Exact commands for each OS are on this page.

Is CVE-2026-35465 being exploited?

CVE-2026-35465 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-35465 affect?

CVE-2026-35465 affects securedrop-client. Severity is high (CVSS 7.5). SecureDrop Client is a desktop app for journalists to securely communicate with sources and handle submissions on the SecureDrop Workstation. In versions 0.17.4 and below, a compromised SecureDrop Server can achieve code execution on the Cl

How urgent is CVE-2026-35465?

Priority 36/100. High severity

Software pages

SQLite vulnerabilities

References

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