Goobi viewer: cleanUpQuery double-brace bypass allows arbitrary Solr local-param injection

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-55442
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-23 15:17:32 UTC
Updated2026-10-23 16:28:32 UTC
DescriptionThe Goobi viewer is a web application that allows digitised material to be displayed in a web browser. From version 23.03 to before version 26.05, SolrTools.cleanUpQuery() strips Solr local-parameter syntax ({!...}) from user-supplied query strings before they reach Solr. Its regex can be bypassed by wrapping the local parameter in a second pair of curly braces ({{!...}}): the outer braces are stripped, the inner {!...} survives intact, and a valid Solr local parameter is forwarded. The flaw is in the shared sanitizer, so it affects any endpoint that routes user input through cleanUpQuery. The double-brace bypass applies from v23.10 (the greedy \{(.+)\} regex); a related bare-!join rewrap path is present. This issue has been patched in version 26.05.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Problem Types: CWE-20 | CWE-116 | CWE-20 CWE-20: Improper Input Validation | CWE-116 CWE-116: Improper Encoding or Escaping of Output

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Intranda Goobi-viewer-core affected >= 23.03, < 26.05 Not specified

References

ReferenceSourceLinkTags
github.com/intranda/goobi-viewer-core/releases/tag/v26.05 [email protected] github.com
github.com/intranda/goobi-viewer-core/commit/5a59ffa5d76169a4ad3cc396023... [email protected] github.com
github.com/intranda/goobi-viewer-core/commit/330da2f8255a9ed2200ba46b98b... [email protected] github.com
github.com/intranda/goobi-viewer-core/security/advisories/GHSA-2r24-qxpf... [email protected] github.com
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