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Vulnerable Software

Vulnerability Details CVE-2026-25519

OpenSlides is a free, web based presentation and assembly system for managing and projecting agenda, motions and elections of an assembly. Prior to version 4.2.29, OpenSlides supports local logins with username and password or an optionally configurable single sign on with SAML via an external IDP. For users synced to OpenSlides via an external IDP, there is an incorrect access control regarding the local login of these users. Users can successfully login using the local login form and the OpenSlides username of a SAML user and a trivial password. This password is valid for all SAML users. This issue has been patched in version 4.2.29.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.001

EPSS Ranking 17.4%

CVSS Severity

CVSS v3 Score 8.1

References

Products affected by CVE-2026-25519

Openslides » Openslides » Version: 4.2.10

cpe:2.3:a:openslides:openslides:4.2.10
Openslides » Openslides » Version: 4.2.11

cpe:2.3:a:openslides:openslides:4.2.11
Openslides » Openslides » Version: 4.2.12

cpe:2.3:a:openslides:openslides:4.2.12
Openslides » Openslides » Version: 4.2.13

cpe:2.3:a:openslides:openslides:4.2.13
Openslides » Openslides » Version: 4.2.14

cpe:2.3:a:openslides:openslides:4.2.14
Openslides » Openslides » Version: 4.2.15

cpe:2.3:a:openslides:openslides:4.2.15
Openslides » Openslides » Version: 4.2.16

cpe:2.3:a:openslides:openslides:4.2.16
Openslides » Openslides » Version: 4.2.17

cpe:2.3:a:openslides:openslides:4.2.17
Openslides » Openslides » Version: 4.2.18

cpe:2.3:a:openslides:openslides:4.2.18
Openslides » Openslides » Version: 4.2.19

cpe:2.3:a:openslides:openslides:4.2.19
Openslides » Openslides » Version: 4.2.20

cpe:2.3:a:openslides:openslides:4.2.20
Openslides » Openslides » Version: 4.2.21

cpe:2.3:a:openslides:openslides:4.2.21
Openslides » Openslides » Version: 4.2.22

cpe:2.3:a:openslides:openslides:4.2.22
Openslides » Openslides » Version: 4.2.23

cpe:2.3:a:openslides:openslides:4.2.23
Openslides » Openslides » Version: 4.2.24

cpe:2.3:a:openslides:openslides:4.2.24
Openslides » Openslides » Version: 4.2.25

cpe:2.3:a:openslides:openslides:4.2.25
Openslides » Openslides » Version: 4.2.26

cpe:2.3:a:openslides:openslides:4.2.26
Openslides » Openslides » Version: 4.2.27

cpe:2.3:a:openslides:openslides:4.2.27
Openslides » Openslides » Version: 4.2.28

cpe:2.3:a:openslides:openslides:4.2.28
Openslides » Openslides » Version: 4.2.5

cpe:2.3:a:openslides:openslides:4.2.5
Openslides » Openslides » Version: 4.2.6

cpe:2.3:a:openslides:openslides:4.2.6
Openslides » Openslides » Version: 4.2.7

cpe:2.3:a:openslides:openslides:4.2.7
Openslides » Openslides » Version: 4.2.8

cpe:2.3:a:openslides:openslides:4.2.8
Openslides » Openslides » Version: 4.2.9

cpe:2.3:a:openslides:openslides:4.2.9

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Vulnerability Details CVE-2026-25519

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