CVE-2026-35507: Shynet before 0.14.0 allows Host header injection in the password reset flow.

Q: How do I fix CVE-2026-35507?

shynet: upgrade to newer than 0.13.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-35507 being exploited?

CVE-2026-35507 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-2026-35507 affect?

CVE-2026-35507 affects shynet. Severity is medium (CVSS 6.4). Shynet before 0.14.0 allows Host header injection in the password reset flow.

Q: How urgent is CVE-2026-35507?

Priority 23/100. No elevated risk signals yet.

Routine

MEDIUM 6.4UPGRADE

CVE-2026-35507 is a medium-severity flaw (CVSS 6.4) affecting shynet. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Shynet before 0.14.0 allows Host header injection in the password reset flow.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.4 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.1% (top 99%)
CISA exploited list	No
Weakness	CWE-348
Published	2026-04-03
Last modified	2026-07-24

Publisher (CNA): MITRE · Vendor: shynet

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-03 02:16 UTCPublished CVE record published
2026-07-24 21:10 UTCUpdated Record last modified

shynet shynet UPGRADE

Affected: <= 0.13.1

Fixed in: newer than 0.13.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy shynet || rpm -q shynet || shynet --version

2. UPGRADE to newer than 0.13.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade shynet

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade shynet

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-2026-35507?

shynet: upgrade to newer than 0.13.1. Exact commands for each OS are on this page.

Is CVE-2026-35507 being exploited?

CVE-2026-35507 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-2026-35507 affect?

CVE-2026-35507 affects shynet. Severity is medium (CVSS 6.4). Shynet before 0.14.0 allows Host header injection in the password reset flow.

How urgent is CVE-2026-35507?

Priority 23/100. No elevated risk signals yet.

Related CVEs

CVE-2026-35508 MEDIUM 5.4 UPGRADE Shynet before 0.14.0 allows XSS in urldisplay and iconify template filters,

References

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