ep_etherpad-lite: Device-to-device author-token transfer endpoint is replayable, never expires, and exposes the cleartex

Description

Etherpad’s device-to-device author-token transfer endpoint is replayable, never expires, and exposes the cleartext author token in the GET response body

Recommendation

Update the ep_etherpad-lite package to the latest compatible version. Followings are version details:

• Affected version(s): >= 2.6.0, <= 3.0.0
• Patched version(s): 3.1.0

References

• GHSA-vqfp-p66c-xrp9
• CVE-2026-55088
• CWE-200
• CWE-294
• CAPEC-310
• OWASP 2021-A1
• OWASP 2021-A6
• OWASP 2021-A7

Related Issues

• ep_etherpad-lite: Cache-poisoning Cross-site Scripting and Open Redirect via x-proxy-path Header - CVE-2026-55087
• ep_etherpad-lite: Import/export uses Math.random() for temp file paths; predictable paths on shared /tmp enable symlink- - CVE-2026-55086
• Etherpad Lite Access Restriction Bypass - CVE-2018-6835
• Cloudflare has SSRF via redirect following through its image-binding-transform endpoint (incomplete fix for GHSA-qpr4) - CVE-2026-41321

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Tags:

npm

ep_etherpad-lite