Security readout for executives and security teams
Plain-English summary
Applications using directorytree/imapengine before 1.22.3 may let an attacker manipulate mailbox commands when untrusted input reaches the IMAP ID function. Successful abuse could expose or delete email, disconnect users, or perform other mailbox actions with the victim’s session.
Executive priority
Prioritize remediation for exposed mail services because successful abuse affects email confidentiality, integrity, and availability. Upgrade promptly where attacker-controlled ID metadata is reachable; otherwise verify the data path and schedule the update through normal high-severity patching.
Technical view
The id() function in ImapConnection.php insufficiently escapes quote and CRLF characters before constructing IMAP ID commands. This CWE-74 injection flaw can let authenticated, low-privilege attackers introduce unintended IMAP commands. The supplied CVSS 3.1 score is 7.6, reflecting network reachability, low complexity, and potentially high availability impact.
Likely exposure
Exposure requires directorytree/imapengine below 1.22.3 and a path allowing attacker-controlled data into id(). Internet-facing mail applications, shared services, or integrations that pass user-supplied ID metadata are the most concerning. The bundle does not establish which applications expose this function.
Exploitation context
The source bundle references public vulnerability research, a pull request, and a corrective commit. However, the CVE is not listed as KEV, and the supplied evidence does not establish active exploitation. Treat practical exploitation as plausible but deployment-dependent.
Researcher notes
Version 1.22.3 is the stated fixed boundary. Assessment should focus on command construction in ImapConnection.php, trust boundaries around id(), and whether sanitization occurs before invocation. The supplied material does not quantify affected deployments or confirm exploitation in the wild.
Mitigation direction
- Upgrade directorytree/imapengine to version 1.22.3 or later.
- Identify and restrict untrusted input passed to the id() function.
- Follow current vendor guidance if immediate upgrading is not possible.
- Review mailbox permissions to reduce consequences from a compromised session.
Validation and detection
- Confirm deployed and locked package versions across production, staging, and build artifacts.
- Trace every id() call and determine whether attackers can influence its arguments.
- Test that quote and CRLF characters cannot alter generated IMAP command boundaries.
- Review relevant mail and application logs for abnormal commands, deletions, or session termination.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-74: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-2469 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H/E:P
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
2 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H/E:P2.84.7snykCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:P——snykVulnerability scoring details
Base CVSS 4.0 score
7.2HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:P
Base CVSS 3.1 score
7.6HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H/E:P
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://security.snyk.io/vuln/SNYK-PHP-DIRECTORYTREEIMAPENGINE-15274300CVE reference, snyk
- https://github.com/DirectoryTree/ImapEngine/pull/150CVE reference, snyk
- https://github.com/DirectoryTree/ImapEngine/commit/87fca56affd9527e6907a705e6d600c5174d9a5aCVE reference, snyk
- https://gist.github.com/wanamirulhakim/74b41589cdea3c07c3375e5946960778CVE reference, snyk
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.