CVE-2025-22952: elestio memos v0.23.0 is vulnerable to Server-Side Request Forgery (SSRF) due to insufficient validation of us

Q: How do I fix CVE-2025-22952?

memos: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2025-22952 being exploited?

CVE-2025-22952 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-2025-22952 affect?

CVE-2025-22952 affects memos. Severity is critical (CVSS 9.8). elestio memos v0.23.0 is vulnerable to Server-Side Request Forgery (SSRF) due to insufficient validation of user-supplied URLs, which can be exploited to perform SSRF attacks.

Q: How urgent is CVE-2025-22952?

Priority 69/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2025-22952 is a critical-severity flaw (CVSS 9.8) affecting memos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

elestio memos v0.23.0 is vulnerable to Server-Side Request Forgery (SSRF) due to insufficient validation of user-supplied URLs, which can be exploited to perform SSRF attacks.

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Weakness	CWE-918
Published	2025-02-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: usememos

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

Am I affected?

Timeline

2025-02-27 20:16 UTCPublished CVE record published
2026-06-17 08:51 UTCUpdated Record last modified

usememos memos DOWNGRADE

Affected: 0.23.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.23.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.23.0 (Debian / Ubuntu)

apt-cache madison memos sudo apt install memos=<VERSION_BEFORE_0.23.0> sudo apt-mark hold memos

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list memos sudo dnf downgrade memos-<VERSION_BEFORE_0.23.0> sudo dnf versionlock add memos

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Go · github.com/usememos/memos · NO FIX YET · vulnerable: <= 0.24.0 · source

Fedora 46 · opensips · FIXED · 4.0.3-1.fc46 · FEDORA-2026-6700a0026c · source

sudo dnf upgrade --advisory=FEDORA-2026-6700a0026c

Fedora ELN · ibus-typing-booster · FIXED · 2.31.3-1.eln159 · FEDORA-2026-c895c68d60 · source

sudo dnf upgrade --advisory=FEDORA-2026-c895c68d60

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Elestio Memos <= v0.24.0 - Server-Side Request Forgery

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-2025-22952?

memos: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-22952 being exploited?

CVE-2025-22952 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-2025-22952 affect?

CVE-2025-22952 affects memos. Severity is critical (CVSS 9.8). elestio memos v0.23.0 is vulnerable to Server-Side Request Forgery (SSRF) due to insufficient validation of user-supplied URLs, which can be exploited to perform SSRF attacks.

How urgent is CVE-2025-22952?

Priority 69/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

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References

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