CVE-2026-47086

A flaw was found in cyrus-imapd. An authenticated user could exploit this vulnerability by minting a URLAUTH token through the GENURLAUTH command. This allows bypassing Access Control Lists ACLs, which are rules that control access to mailboxes. Consequently, an attacker could read mail from any...

CVE-2026-47087

A flaw was found in Cyrus IMAP. The URLAUTH mechanism in Cyrus IMAP through version 3.12.2 does not properly revoke access for an authorizer. This allows a previously authorized user to retain access via a URLAUTH URL, even after their authorization has been revoked, potentially leading to...

CVE-2026-47086

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. GENURLAUTH-issued tokens can bypass ACLs. Any authenticated user could mint a URLAUTH token via the GENURLAUTH command for any mailbox they could name, even without read access on it. This would allow reading mail from mailboxes...

EUVD-2026-45009

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. GENURLAUTH-issued tokens can bypass ACLs. Any authenticated user could mint a URLAUTH token via the GENURLAUTH command for any mailbox they could name, even without read access on it. This would allow reading mail from mailboxes...

DEBIAN-CVE-2026-47087

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. URLAUTH does not honor revoked authorizer access. A URLAUTH URL minted while the authorizer had access continued to work after that access was revoked...

DEBIAN-CVE-2026-47086

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. GENURLAUTH-issued tokens can bypass ACLs. Any authenticated user could mint a URLAUTH token via the GENURLAUTH command for any mailbox they could name, even without read access on it. This would allow reading mail from mailboxes...

CVE-2026-47086

CYRUS IMAPD has a vulnerability CVE-2026-47086 affecting Cyrus IMAP up to version 3.12.2. The GENURLAUTH feature allows issuance of URLAUTH tokens by any authenticated user for named mailboxes, bypassing ACLs and enabling reading mail from those mailboxes without granted permissions. The issue is...

CVE-2026-47085

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. URLAUTH token forgery can occur via a missing mboxkey. If an attacker knew a folder name on the victim's account for which the victim had never issued an auth URL, they could forge a working URLAUTH token by computing an HMAC-SH...

PT-2026-60554

Name of the Vulnerable Software and Affected Versions Cyrus IMAP versions prior to 3.12.3 Description An issue exists where tokens issued via the GENURLAUTH command can bypass Access Control Lists ACLs. An authenticated user can generate a URLAUTH token for any specified mailbox, regardless of...

PT-2026-60555

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. URLAUTH does not honor revoked authorizer access. A URLAUTH URL minted while the authorizer had access continued to work after that access was revoked...

PT-2026-60553

Name of the Vulnerable Software and Affected Versions Cyrus IMAP versions prior to 3.12.3 Description An issue exists in cyrus-imapd where URLAUTH token forgery is possible due to a missing mboxkey. An attacker who knows a folder name on a victim's account that has no existing auth URL can forge ...

GitHub Security Lab: Java: CWE-939 - Address improper URL authorization

This bug was reported directly to GitHub Security Lab...

GitHub Security Lab: [Java] CWE-939 - Address improper URL authorization

This bug was reported directly to GitHub Security Lab...

XSRF Protection Disables Basic URL Rest Authorization

According to this REST page: https://developer.atlassian.com/display/BAMBOODEV/Using+the+Bamboo+REST+APIs You should be able to login to REST via a URL request by using the following scheme: "http://host:8085/rest/api/latest/plan?osauthType=basic&osusername=&ospassword=" This worked fine for us...

XSRF Protection Disables Basic URL Rest Authorization

According to this REST page: https://developer.atlassian.com/display/BAMBOODEV/Using+the+Bamboo+REST+APIs You should be able to login to REST via a URL request by using the following scheme: "http://host:8085/rest/api/latest/plan?osauthType=basic&osusername=&ospassword=" This worked fine for us...