https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2020-26178.htmlhttps://patchthecve.com/cve/CVE-2020-26178.htmlWed, 17 Jun 2026 03:07:45 +0000MEDIUM 5.3: In tangro Business Workflow before 1.18.1, knowing an attachment ID, it is possible to download workitem attachments without being authenticated.https://patchthecve.com/cve/CVE-2020-26177.htmlhttps://patchthecve.com/cve/CVE-2020-26177.htmlWed, 17 Jun 2026 03:07:45 +0000MEDIUM 4.3: In tangro Business Workflow before 1.18.1, a user's profile contains some items that are greyed out and thus are not intended to be edited by regular users. However, this restriction is only applied client-side. Manipulating any of the greyed-out values in requests to /api/profile is not prohibited https://patchthecve.com/cve/CVE-2020-26176.htmlhttps://patchthecve.com/cve/CVE-2020-26176.htmlWed, 17 Jun 2026 03:07:45 +0000MEDIUM 4.3: An issue was discovered in tangro Business Workflow before 1.18.1. No (or broken) access control checks exist on the /api/document/<DocumentID>/attachments API endpoint. Knowing a document ID, an attacker can list all the attachments of a workitem, including their respective IDs. This allows the atthttps://patchthecve.com/cve/CVE-2020-26175.htmlhttps://patchthecve.com/cve/CVE-2020-26175.htmlWed, 17 Jun 2026 03:07:45 +0000MEDIUM 6.5: In tangro Business Workflow before 1.18.1, an attacker can manipulate the value of PERSON in requests to /api/profile in order to change profile information of other users.https://patchthecve.com/cve/CVE-2020-26174.htmlhttps://patchthecve.com/cve/CVE-2020-26174.htmlWed, 17 Jun 2026 03:07:45 +0000HIGH 8.8: tangro Business Workflow before 1.18.1 requests a list of allowed filetypes from the server and restricts uploads to the filetypes contained in this list. However, this restriction is enforced in the browser (client-side) and can be circumvented. This allows an attacker to upload any file as an attahttps://patchthecve.com/cve/CVE-2020-26173.htmlhttps://patchthecve.com/cve/CVE-2020-26173.htmlWed, 17 Jun 2026 03:07:45 +0000LOW 3.1: An incorrect access control implementation in Tangro Business Workflow before 1.18.1 allows an attacker to download documents (PDF) by providing a valid document ID and token. No further authentication is required.https://patchthecve.com/cve/CVE-2020-26172.htmlhttps://patchthecve.com/cve/CVE-2020-26172.htmlWed, 17 Jun 2026 03:07:45 +0000MEDIUM 4.2: Every login in tangro Business Workflow before 1.18.1 generates the same JWT token, which allows an attacker to reuse the token when a session is active. The JWT token does not contain an expiration timestamp.https://patchthecve.com/cve/CVE-2020-26171.htmlhttps://patchthecve.com/cve/CVE-2020-26171.htmlWed, 17 Jun 2026 03:07:44 +0000MEDIUM 4.3: In tangro Business Workflow before 1.18.1, the documentId of attachment uploads to /api/document/attachments/upload can be manipulated. By doing this, users can add attachments to workitems that do not belong to them.