CVE-2025-8257: A vulnerability classified as problematic was found in Lobby Universe Lobby App up to 2.8.0 on Android

Routine

MEDIUM 5.3DOWNGRADE

CVE-2025-8257 is a medium-severity flaw (CVSS 5.3) affecting lobby. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability classified as problematic was found in Lobby Universe Lobby App up to 2.8.0 on Android. Affected by this vulnerability is an unknown functionality of the file AndroidManifest.xml of the component com.maverick.lobby. The manipulation leads to improper export of android application components. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-926
Published	2025-07-28
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: lobbyuniverse

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

Am I affected?

Timeline

2025-07-28 05:16 UTCPublished CVE record published
2026-06-17 10:06 UTCUpdated Record last modified

lobbyuniverse lobby DOWNGRADE

Affected: 2.0 · 2.1 · 2.2 · 2.3 · 2.4 · 2.5 · 2.6 · 2.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison lobby sudo apt install lobby=<VERSION_BEFORE_2.0> sudo apt-mark hold lobby

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

dnf --showduplicates list lobby sudo dnf downgrade lobby-<VERSION_BEFORE_2.0> sudo dnf versionlock add lobby

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.

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-2025-8257?

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

Is CVE-2025-8257 being exploited?

CVE-2025-8257 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-2025-8257 affect?

CVE-2025-8257 affects lobby. Severity is medium (CVSS 5.3). A vulnerability classified as problematic was found in Lobby Universe Lobby App up to 2.8.0 on Android. Affected by this vulnerability is an unknown functionality of the file AndroidManifest.xml of the component com.maverick.lobby. The mani

How urgent is CVE-2025-8257?

Priority 28/100. Public exploit reference

Software pages

Android vulnerabilities

References

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