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processone/ejabberd
Free reading: not for reliance
5ef8f25 · 10,806 commits · 635 files
Read 2026-10-04

processone/ejabberd: technical due diligence, read from its repository

What Borehole read in processone/ejabberd's code and history at 5ef8f25: its licence, security advisories, releases, review practice, tests, dependencies and operations. Every finding cites the file and line it rests on. The full report also covers the team and asks the questions the code cannot answer.

DimensionRating
Architecture & Codebase — including AI provenancestrong
Engineering Process & SDLC Maturitystrong
Product & Engineering Maturityadequate
Security & Reliability Posturestrong
Observability & Operationsnot assessable
Fit with the Acquirernot assessable

What the repository says

  • COPYING: Relicensed: GPL-2.0 → GPL-with-exception (2004-10-09)

Architecture & Codebase — including AI provenance

strong
01.6

src/mod_muc_room.erl is 6,026 lines, 34× this codebase's median file

adequate

The median source file here is 176 lines. 10 files exceed 1,760 lines, the largest being 6,026. Size is not a defect on its own — some problems genuinely live in one place — but these are where merge conflicts, review fatigue and single-owner knowledge concentrate, and they are the first thing that slows an inheriting engineer down.

Evidence
src/mod_muc_room.erl:1 — 6,026 lines (34× median)
src/mod_pubsub.erl:1 — 4,843 lines (27× median)
src/mod_matrix_gw_room.erl:1 — 3,884 lines (22× median)
src/ELDAPv3.erl:1 — 3,338 lines (18× median)
src/ejabberd_web_admin.erl:1 — 3,133 lines (17× median)

Engineering Process & SDLC Maturity

strong

No finding.

Product & Engineering Maturity

adequate
04.5

Effort is shifting from building to rewriting

adequate

Deleted lines per line added rose from 0.51 to 0.87 between the first and second halves of this history. Rework is normal and often healthy, but a rising ratio means an increasing share of the team's time is spent replacing code that already exists rather than building what does not. Whether that is deliberate repayment or churn is a question for the team.

Evidence
first half 0.51, second half 0.87 (split 2014-10-24)
04.19

13% of bug fixes add or change a test

adequate

Of 188 fixes in the last 24 months, 25 touched a test. A fix without the test that would have caught the bug can quietly come back, and the suite never learns from what went wrong.

Evidence
25 of 188

Security & Reliability Posture

strong
05.27

The build runs third-party code it does not pin

adequate

10 third-party CI actions are referenced by a tag or branch rather than a commit, so they run whatever that tag points to on the day. Tags have been moved to malicious commits in real supply-chain attacks, and a piped script is whatever the server returns that minute. Pinning to a commit is the fix, and it is small.

Evidence
.github/workflows/ci.yml:38 — action pinned by tag
.github/workflows/ci.yml:43 — action pinned by tag
05.60

Relicensed: GPL-2.0 → GPL-with-exception (2004-10-09)

adequate

The root licence changed 1 time(s). Code taken under earlier terms stays under them; check which terms any fork or customer relied on.

Evidence
COPYING — GPL-2.0 from 2003-01-10
COPYING — GPL-with-exception from 2004-10-09
05.65

1 advisory against this project in the last 24 months, 1 high or critical

adequate

The newest was published on 2026-10-02. A project that publishes advisories is telling its users about its fixes, and the count and pace say how much security work it carries. Whether 1 of them are fixed in the code you ship could not be told from this history: its version is only known to be at least 26.9.0. Answer lives in: the release you run, set against each fixed version. The record is incomplete: NVD: 7 records name ejabberd with nothing tying them to this repository (CVE-2006-2221, CVE-2007-0903, CVE-2009-0934, …).

Evidence
2026-10-02: CVE-2026-104733 (high): User Impersonation in ProcessOnes XMMP Server ejabberd <= 26.04 allows an attacker to impersonate arbitrary users via unvalidated authzid parameter in SASL-PLAI

Observability & Operations

not assessable

Not rated: only 4 of 16 checks could reach a conclusion here; the rest do not apply to this repository or could not read it.

Fit with the Acquirer

not assessable

Not rated: structurally not assessable from a repository.

Read more, or read your own

The full report on processone/ejabberd: every dimension, the questions for the room, and the audit log.

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