CVE-2026-55891: PrivateBin has reflected JSON injection in backend responses via unescaped REQUEST_URI

low Affects privatebin/privatebin. Feed 2026.10.29.4, updated 2026-10-29; published 2026-08-28.

PrivateBin has reflected JSON injection in backend responses via unescaped REQUEST_URI

Package: privatebin/privatebin Composer
Affected versions: <2.0.5
Fixed in: 2.0.5
Severity: low
Exploitation: not on CISA KEV · EPSS 1% (45.3th percentile)
Published: 2026-08-28
Source: osv.dev

References

NVD record privatebin/privatebin advisories

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Related advisories

CVE-2022-24833 high Persistent Cross-site Scripting vulnerability in PrivateBin same package: privatebin/privatebin
CVE-2020-5223 medium Persistent XSS vulnerability in filename of attached file in PrivateBin same package: privatebin/privatebin
CVE-2024-39899 medium PrivateBin allows shortening of URLs for other domains same package: privatebin/privatebin
CVE-2025-64714 medium PrivateBin's template-switching feature allows arbitrary local file inclusion through path same package: privatebin/privatebin
CVE-2026-55696 medium PrivateBin has stored Cross-Side-Scripting (XSS) vulnerability in attachment download link same package: privatebin/privatebin
CVE-2025-62796 medium PrivateBin is missing HTML sanitization of attached filename in file size hint same package: privatebin/privatebin