CVE-2025-2691: Versions of the package nossrf before 1.0.4 are vulnerable to Server-Side Request Forgery (SSRF) where an atta

Q: How do I fix CVE-2025-2691?

nossrf: upgrade to 1.0.4. Exact commands for each OS are on this page.

Q: Is CVE-2025-2691 being exploited?

CVE-2025-2691 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-2025-2691 affect?

CVE-2025-2691 affects nossrf. Severity is high (CVSS 8.2). Versions of the package nossrf before 1.0.4 are vulnerable to Server-Side Request Forgery (SSRF) where an attacker can provide a hostname that resolves to a local or reserved IP address space and bypass the SSRF protection mechanism.

Q: How urgent is CVE-2025-2691?

Priority 47/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 8.2REMOTEUPGRADE

CVE-2025-2691 is a high-severity flaw (CVSS 8.2) affecting nossrf. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Versions of the package nossrf before 1.0.4 are vulnerable to Server-Side Request Forgery (SSRF) where an attacker can provide a hostname that resolves to a local or reserved IP address space and bypass the SSRF protection mechanism.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-918
Published	2025-03-23
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: nossrf project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-03-23 15:15 UTCPublished CVE record published
2026-06-17 09:07 UTCUpdated Record last modified

nossrf project nossrf UPGRADE

Affected: < 1.0.4

Fixed in: 1.0.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 1.0.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nossrf

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-2025-2691?

nossrf: upgrade to 1.0.4. Exact commands for each OS are on this page.

Is CVE-2025-2691 being exploited?

CVE-2025-2691 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-2025-2691 affect?

CVE-2025-2691 affects nossrf. Severity is high (CVSS 8.2). Versions of the package nossrf before 1.0.4 are vulnerable to Server-Side Request Forgery (SSRF) where an attacker can provide a hostname that resolves to a local or reserved IP address space and bypass the SSRF protection mechanism.

How urgent is CVE-2025-2691?

Priority 47/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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